30938125 has 20 divisors (see below), whose sum is σ = 39362400. Its totient is φ = 24302000.

The previous prime is 30938111. The next prime is 30938153. The reversal of 30938125 is 52183903.

It is a happy number.

It is not a de Polignac number, because 30938125 - 2¹¹ = 30936077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36456 + ... + 37294.

It is an arithmetic number, because the mean of its divisors is an integer number (1968120).

Almost surely, 2^30938125 is an apocalyptic number.

It is an amenable number.

30938125 is a deficient number, since it is larger than the sum of its proper divisors (8424275).

30938125 is an frugal number, since it uses more digits than its factorization.

30938125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 30938125 is about 5562.2050483599. The cubic root of 30938125 is about 313.9289228820.

The spelling of 30938125 in words is "thirty million, nine hundred thirty-eight thousand, one hundred twenty-five".