38925513 has 12 divisors (see below), whose sum is σ = 61337328. Its totient is φ = 23591160.

The previous prime is 38925487. The next prime is 38925527. The reversal of 38925513 is 31552983.

38925513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38925513 - 2¹³ = 38917321 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38925533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196495 + ... + 196692.

It is an arithmetic number, because the mean of its divisors is an integer number (5111444).

Almost surely, 2^38925513 is an apocalyptic number.

38925513 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

38925513 is a deficient number, since it is larger than the sum of its proper divisors (22411815).

38925513 is a wasteful number, since it uses less digits than its factorization.

38925513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393204 (or 393201 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 38925513 is about 6239.0314152118. The cubic root of 38925513 is about 338.9051082725.

The spelling of 38925513 in words is "thirty-eight million, nine hundred twenty-five thousand, five hundred thirteen".