38750625 has 45 divisors (see below), whose sum is σ = 70796869. Its totient is φ = 20418000.

The previous prime is 38750623. The next prime is 38750629. The reversal of 38750625 is 52605783.

The square root of 38750625 is 6225.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 3038049 + 35712576 = 1743^2 + 5976^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 38750625 - 2¹ = 38750623 is a prime.

It is a super-2 number, since 2×38750625² = 3003221875781250, which contains 22 as substring.

It is a Duffinian number.

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 38750625.

It is not an unprimeable number, because it can be changed into a prime (38750623) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 466834 + ... + 466916.

Almost surely, 2^38750625 is an apocalyptic number.

38750625 is the 6225-th square number.

38750625 is the 3113-rd centered octagonal number.

It is an amenable number.

38750625 is a deficient number, since it is larger than the sum of its proper divisors (32046244).

38750625 is an frugal number, since it uses more digits than its factorization.

38750625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The cubic root of 38750625 is about 338.3967919234.

Multiplying 38750625 by its sum of digits (36), we get a square (1395022500 = 37350²).

The spelling of 38750625 in words is "thirty-eight million, seven hundred fifty thousand, six hundred twenty-five".