30090925 has 24 divisors (see below), whose sum is σ = 39497472. Its totient is φ = 22704000.

The previous prime is 30090917. The next prime is 30090937. The reversal of 30090925 is 52909003.

It is not a de Polignac number, because 30090925 - 2³ = 30090917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30090893 and 30090902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31302 + ... + 32248.

It is an arithmetic number, because the mean of its divisors is an integer number (1645728).

Almost surely, 2^30090925 is an apocalyptic number.

It is an amenable number.

30090925 is a deficient number, since it is larger than the sum of its proper divisors (9406547).

30090925 is a wasteful number, since it uses less digits than its factorization.

30090925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 30090925 is about 5485.5195742974. The cubic root of 30090925 is about 311.0368507803.

Adding to 30090925 its reverse (52909003), we get a palindrome (82999928).

The spelling of 30090925 in words is "thirty million, ninety thousand, nine hundred twenty-five".