38135925 has 18 divisors (see below), whose sum is σ = 68306082. Its totient is φ = 20339040.

The previous prime is 38135917. The next prime is 38135963. The reversal of 38135925 is 52953183.

38135925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8520561 + 29615364 = 2919^2 + 5442^2 .

It is not a de Polignac number, because 38135925 - 2³ = 38135917 is a prime.

It is a super-4 number, since 4×38135925⁴ (a number of 31 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38135925.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 84522 + ... + 84971.

Almost surely, 2^38135925 is an apocalyptic number.

It is an amenable number.

38135925 is a deficient number, since it is larger than the sum of its proper divisors (30170157).

38135925 is a wasteful number, since it uses less digits than its factorization.

38135925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169509 (or 169501 counting only the distinct ones).

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

The square root of 38135925 is about 6175.4291348861. The cubic root of 38135925 is about 336.5979202615.

It can be divided in two parts, 38135 and 925, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 38135925 in words is "thirty-eight million, one hundred thirty-five thousand, nine hundred twenty-five".