38125625 has 10 divisors (see below), whose sum is σ = 47642562. Its totient is φ = 30500000.

The previous prime is 38125621. The next prime is 38125631. The reversal of 38125625 is 52652183.

It can be written as a sum of positive squares in 5 ways, for example, as 12033961 + 26091664 = 3469^2 + 5108^2 .

It is not a de Polignac number, because 38125625 - 2² = 38125621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38125591 and 38125600.

It is not an unprimeable number, because it can be changed into a prime (38125621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 29876 + ... + 31125.

Almost surely, 2^38125625 is an apocalyptic number.

It is an amenable number.

38125625 is a deficient number, since it is larger than the sum of its proper divisors (9516937).

38125625 is an frugal number, since it uses more digits than its factorization.

38125625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61021 (or 61006 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 38125625 is about 6174.5951284275. The cubic root of 38125625 is about 336.5676140105.

The spelling of 38125625 in words is "thirty-eight million, one hundred twenty-five thousand, six hundred twenty-five".