1025512256 has 28 divisors (see below), whose sum is σ = 2036124960. Its totient is φ = 512472960.

The previous prime is 1025512207. The next prime is 1025512273. The reversal of 1025512256 is 6522155201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159341 + ... + 165651.

Almost surely, 2^1025512256 is an apocalyptic number.

1025512256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1025512256 is a deficient number, since it is larger than the sum of its proper divisors (1010612704).

1025512256 is an equidigital number, since it uses as much as digits as its factorization.

1025512256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8862 (or 8852 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1025512256 is about 32023.6202825352. The cubic root of 1025512256 is about 1008.4327737703.

Adding to 1025512256 its reverse (6522155201), we get a palindrome (7547667457).

The spelling of 1025512256 in words is "one billion, twenty-five million, five hundred twelve thousand, two hundred fifty-six".