30625233 has 16 divisors (see below), whose sum is σ = 42634176. Its totient is φ = 19535040.

The previous prime is 30625229. The next prime is 30625249. The reversal of 30625233 is 33252603.

It is not a de Polignac number, because 30625233 - 2² = 30625229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30625253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4510 + ... + 9032.

It is an arithmetic number, because the mean of its divisors is an integer number (2664636).

Almost surely, 2^30625233 is an apocalyptic number.

It is an amenable number.

30625233 is a deficient number, since it is larger than the sum of its proper divisors (12008943).

30625233 is a wasteful number, since it uses less digits than its factorization.

30625233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 30625233 is about 5534.0069569888. The cubic root of 30625233 is about 312.8670307276.

Adding to 30625233 its reverse (33252603), we get a palindrome (63877836).

The spelling of 30625233 in words is "thirty million, six hundred twenty-five thousand, two hundred thirty-three".