1025433430 has 64 divisors (see below), whose sum is σ = 2157373440. Its totient is φ = 343684224.

The previous prime is 1025433419. The next prime is 1025433457. The reversal of 1025433430 is 343345201.

It is a junction number, because it is equal to n+sod(n) for n = 1025433395 and 1025433404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 590844 + ... + 592576.

It is an arithmetic number, because the mean of its divisors is an integer number (33708960).

Almost surely, 2^1025433430 is an apocalyptic number.

1025433430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025433430 is an abundant number, since it is smaller than the sum of its proper divisors (1131940010).

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

1025433430 is a wasteful number, since it uses less digits than its factorization.

1025433430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1025433430 is about 32022.3895110905. The cubic root of 1025433430 is about 1008.4069353798.

Adding to 1025433430 its reverse (343345201), we get a palindrome (1368778631).

The spelling of 1025433430 in words is "one billion, twenty-five million, four hundred thirty-three thousand, four hundred thirty".