1025322413 has 4 divisors (see below), whose sum is σ = 1025386908. Its totient is φ = 1025257920.

The previous prime is 1025322409. The next prime is 1025322421. The reversal of 1025322413 is 3142235201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 331895524 + 693426889 = 18218^2 + 26333^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025322413 - 2² = 1025322409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025322433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10403 + ... + 46463.

It is an arithmetic number, because the mean of its divisors is an integer number (256346727).

Almost surely, 2^1025322413 is an apocalyptic number.

It is an amenable number.

1025322413 is a deficient number, since it is larger than the sum of its proper divisors (64495).

1025322413 is an equidigital number, since it uses as much as digits as its factorization.

1025322413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64494.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1025322413 is about 32020.6560363775. The cubic root of 1025322413 is about 1008.3705428490.

Adding to 1025322413 its reverse (3142235201), we get a palindrome (4167557614).

The spelling of 1025322413 in words is "one billion, twenty-five million, three hundred twenty-two thousand, four hundred thirteen".