38418525 has 18 divisors (see below), whose sum is σ = 68812250. Its totient is φ = 20489760.

The previous prime is 38418511. The next prime is 38418539. The reversal of 38418525 is 52581483.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38418511) and next prime (38418539).

It can be written as a sum of positive squares in 3 ways, for example, as 7080921 + 31337604 = 2661^2 + 5598^2 .

It is not a de Polignac number, because 38418525 - 2⁵ = 38418493 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 a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38418525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 85150 + ... + 85599.

Almost surely, 2^38418525 is an apocalyptic number.

It is an amenable number.

38418525 is a deficient number, since it is larger than the sum of its proper divisors (30393725).

38418525 is a wasteful number, since it uses less digits than its factorization.

38418525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170765 (or 170757 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 38418525 is about 6198.2679032130. The cubic root of 38418525 is about 337.4273094480.

The spelling of 38418525 in words is "thirty-eight million, four hundred eighteen thousand, five hundred twenty-five".