38572500825 has 36 divisors (see below), whose sum is σ = 69285734700. Its totient is φ = 20513013120.

The previous prime is 38572500809. The next prime is 38572500839. The reversal of 38572500825 is 52800527583.

38572500825 is a `hidden beast` number, since 3 + 8 + 572 + 50 + 0 + 8 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 435097881 + 38137402944 = 20859^2 + 195288^2 .

It is not a de Polignac number, because 38572500825 - 2⁴ = 38572500809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 167082 + ... + 324131.

Almost surely, 2^38572500825 is an apocalyptic number.

It is an amenable number.

38572500825 is a deficient number, since it is larger than the sum of its proper divisors (30713233875).

38572500825 is a wasteful number, since it uses less digits than its factorization.

38572500825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491578 (or 491570 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 38572500825 in words is "thirty-eight billion, five hundred seventy-two million, five hundred thousand, eight hundred twenty-five".