38388025 has 24 divisors (see below), whose sum is σ = 53043480. Its totient is φ = 27363840.

The previous prime is 38388017. The next prime is 38388029. The reversal of 38388025 is 52088383.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 25160256 + 13227769 = 5016^2 + 3637^2 .

It is not a de Polignac number, because 38388025 - 2³ = 38388017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38388029) 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 23 ways as a sum of consecutive naturals, for example, 7389 + ... + 11461.

It is an arithmetic number, because the mean of its divisors is an integer number (2210145).

Almost surely, 2^38388025 is an apocalyptic number.

It is an amenable number.

38388025 is a deficient number, since it is larger than the sum of its proper divisors (14655455).

38388025 is a wasteful number, since it uses less digits than its factorization.

38388025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 38388025 is about 6195.8070499330. The cubic root of 38388025 is about 337.3379926615.

The spelling of 38388025 in words is "thirty-eight million, three hundred eighty-eight thousand, twenty-five".