6812507256 has 32 divisors (see below), whose sum is σ = 17065157760. Its totient is φ = 2266317152.

The previous prime is 6812507239. The next prime is 6812507263. The reversal of 6812507256 is 6527052186.

It is a super-2 number, since 2×6812507256² = 92820510226105299072, 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 in 7 ways as a sum of consecutive naturals, for example, 270090 + ... + 294233.

It is an arithmetic number, because the mean of its divisors is an integer number (533286180).

Almost surely, 2^6812507256 is an apocalyptic number.

It is an amenable number.

6812507256 is an abundant number, since it is smaller than the sum of its proper divisors (10252650504).

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

6812507256 is a wasteful number, since it uses less digits than its factorization.

6812507256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564835 (or 564831 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 6812507256 is about 82537.9140516648. The cubic root of 6812507256 is about 1895.6973047548.

The spelling of 6812507256 in words is "six billion, eight hundred twelve million, five hundred seven thousand, two hundred fifty-six".