38720625 has 40 divisors (see below), whose sum is σ = 65454048. Its totient is φ = 20352000.

The previous prime is 38720623. The next prime is 38720641. The reversal of 38720625 is 52602783.

38720625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38720625 - 2¹ = 38720623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38720623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 200529 + ... + 200721.

Almost surely, 2^38720625 is an apocalyptic number.

It is an amenable number.

38720625 is a deficient number, since it is larger than the sum of its proper divisors (26733423).

38720625 is a wasteful number, since it uses less digits than its factorization.

38720625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 38720625 is about 6222.5898948910. The cubic root of 38720625 is about 338.3094425822.

It can be divided in two parts, 387 and 20625, that added together give a palindrome (21012).

The spelling of 38720625 in words is "thirty-eight million, seven hundred twenty thousand, six hundred twenty-five".