1025231996 has 6 divisors (see below), whose sum is σ = 1794156000. Its totient is φ = 512615996.

The previous prime is 1025231981. The next prime is 1025232067. The reversal of 1025231996 is 6991325201.

It is a super-2 number, since 2×1025231996² = 2102201291244288032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128153996 + ... + 128154003.

It is an arithmetic number, because the mean of its divisors is an integer number (299026000).

Almost surely, 2^1025231996 is an apocalyptic number.

It is an amenable number.

1025231996 is a deficient number, since it is larger than the sum of its proper divisors (768924004).

1025231996 is a wasteful number, since it uses less digits than its factorization.

1025231996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256308003 (or 256308001 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 1025231996 is about 32019.2441509790. The cubic root of 1025231996 is about 1008.3409012720.

The spelling of 1025231996 in words is "one billion, twenty-five million, two hundred thirty-one thousand, nine hundred ninety-six".