38925031 has 4 divisors (see below), whose sum is σ = 39874464. Its totient is φ = 37975600.

The previous prime is 38925023. The next prime is 38925037. The reversal of 38925031 is 13052983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38925031 - 2³ = 38925023 is a prime.

It is a super-2 number, since 2×38925031² = 3030316076701922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38924984 and 38925002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38925037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474655 + ... + 474736.

It is an arithmetic number, because the mean of its divisors is an integer number (9968616).

Almost surely, 2^38925031 is an apocalyptic number.

38925031 is a deficient number, since it is larger than the sum of its proper divisors (949433).

38925031 is an equidigital number, since it uses as much as digits as its factorization.

38925031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949432.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 38925031 is about 6238.9927873015. The cubic root of 38925031 is about 338.9037094218.

The spelling of 38925031 in words is "thirty-eight million, nine hundred twenty-five thousand, thirty-one".