5257685007 has 12 divisors (see below), whose sum is σ = 7856311320. Its totient is φ = 3384256848.

The previous prime is 5257685003. The next prime is 5257685011. The reversal of 5257685007 is 7005867525.

5257685007 is a `hidden beast` number, since 525 + 76 + 8 + 50 + 0 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (5257685003) and next prime (5257685011).

It is not a de Polignac number, because 5257685007 - 2² = 5257685003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257685003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10071933 + ... + 10072454.

It is an arithmetic number, because the mean of its divisors is an integer number (654692610).

Almost surely, 2^5257685007 is an apocalyptic number.

5257685007 is a deficient number, since it is larger than the sum of its proper divisors (2598626313).

5257685007 is a wasteful number, since it uses less digits than its factorization.

5257685007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20144422 (or 20144419 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The square root of 5257685007 is about 72509.8959246254. The cubic root of 5257685007 is about 1738.8609499126.

The spelling of 5257685007 in words is "five billion, two hundred fifty-seven million, six hundred eighty-five thousand, seven".