38158525 has 6 divisors (see below), whose sum is σ = 47316602. Its totient is φ = 30526800.

The previous prime is 38158481. The next prime is 38158529. The reversal of 38158525 is 52585183.

It can be written as a sum of positive squares in 3 ways, for example, as 77284 + 38081241 = 278^2 + 6171^2 .

It is not a de Polignac number, because 38158525 - 2¹⁵ = 38125757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38158529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 763146 + ... + 763195.

Almost surely, 2^38158525 is an apocalyptic number.

It is an amenable number.

38158525 is a deficient number, since it is larger than the sum of its proper divisors (9158077).

38158525 is a wasteful number, since it uses less digits than its factorization.

38158525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526351 (or 1526346 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 38158525 is about 6177.2586962179. The cubic root of 38158525 is about 336.6643983552.

It can be divided in two parts, 38158 and 525, that added together give a palindrome (38683).

The spelling of 38158525 in words is "thirty-eight million, one hundred fifty-eight thousand, five hundred twenty-five".