39125231 has 8 divisors (see below), whose sum is σ = 40940640. Its totient is φ = 37319392.

The previous prime is 39125221. The next prime is 39125239. The reversal of 39125231 is 13252193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39125231 - 2⁶ = 39125167 is a prime.

It is a super-2 number, since 2×39125231² = 3061567401606722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 39125231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39125239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6761 + ... + 11133.

It is an arithmetic number, because the mean of its divisors is an integer number (5117580).

Almost surely, 2^39125231 is an apocalyptic number.

39125231 is a deficient number, since it is larger than the sum of its proper divisors (1815409).

39125231 is a wasteful number, since it uses less digits than its factorization.

39125231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785.

The product of its digits is 1620, while the sum is 26.

The square root of 39125231 is about 6255.0164668049. The cubic root of 39125231 is about 339.4837349406.

The spelling of 39125231 in words is "thirty-nine million, one hundred twenty-five thousand, two hundred thirty-one".