38543568225 has 24 divisors (see below), whose sum is σ = 64003671360. Its totient is φ = 20466793920.

The previous prime is 38543568221. The next prime is 38543568229. The reversal of 38543568225 is 52286534583.

It is an interprime number because it is at equal distance from previous prime (38543568221) and next prime (38543568229).

It is not a de Polignac number, because 38543568225 - 2² = 38543568221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38543568221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1104909 + ... + 1139258.

It is an arithmetic number, because the mean of its divisors is an integer number (2666819640).

Almost surely, 2^38543568225 is an apocalyptic number.

It is an amenable number.

38543568225 is a deficient number, since it is larger than the sum of its proper divisors (25460103135).

38543568225 is a wasteful number, since it uses less digits than its factorization.

38543568225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244409 (or 2244404 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 51.

The spelling of 38543568225 in words is "thirty-eight billion, five hundred forty-three million, five hundred sixty-eight thousand, two hundred twenty-five".