806925512 has 16 divisors (see below), whose sum is σ = 1521347100. Its totient is φ = 401232960.

The previous prime is 806925499. The next prime is 806925517. The reversal of 806925512 is 215529608.

It can be written as a sum of positive squares in 2 ways, for example, as 668015716 + 138909796 = 25846^2 + 11786^2 .

It is a super-2 number, since 2×806925512² = 1302257563832924288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (806925517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277187 + ... + 280082.

Almost surely, 2^806925512 is an apocalyptic number.

It is an amenable number.

806925512 is a deficient number, since it is larger than the sum of its proper divisors (714421588).

806925512 is a wasteful number, since it uses less digits than its factorization.

806925512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557456 (or 557452 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 806925512 is about 28406.4343415361. The cubic root of 806925512 is about 930.9888553104.

The spelling of 806925512 in words is "eight hundred six million, nine hundred twenty-five thousand, five hundred twelve".