1025322450 has 96 divisors (see below), whose sum is σ = 2586209472. Its totient is φ = 268800000.

The previous prime is 1025322443. The next prime is 1025322457. The reversal of 1025322450 is 542235201.

It is an interprime number because it is at equal distance from previous prime (1025322443) and next prime (1025322457).

It is a super-2 number, since 2×1025322450² = 2102572252948005000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1025322450.

It is not an unprimeable number, because it can be changed into a prime (1025322457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4084825 + ... + 4085075.

It is an arithmetic number, because the mean of its divisors is an integer number (26939682).

Almost surely, 2^1025322450 is an apocalyptic number.

1025322450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025322450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1293104736).

1025322450 is an abundant number, since it is smaller than the sum of its proper divisors (1560887022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025322450 is a wasteful number, since it uses less digits than its factorization.

1025322450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1025322450 is about 32020.6566141296. The cubic root of 1025322450 is about 1008.3705549784.

Adding to 1025322450 its reverse (542235201), we get a palindrome (1567557651).

The spelling of 1025322450 in words is "one billion, twenty-five million, three hundred twenty-two thousand, four hundred fifty".