30425288 has 8 divisors (see below), whose sum is σ = 57047430. Its totient is φ = 15212640.

The previous prime is 30425287. The next prime is 30425323. The reversal of 30425288 is 88252403.

It can be written as a sum of positive squares in only one way, i.e., 17623204 + 12802084 = 4198^2 + 3578^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (30425281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1901573 + ... + 1901588.

Almost surely, 2^30425288 is an apocalyptic number.

It is an amenable number.

30425288 is a deficient number, since it is larger than the sum of its proper divisors (26622142).

30425288 is a wasteful number, since it uses less digits than its factorization.

30425288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803167 (or 3803163 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 30425288 is about 5515.9122545595. The cubic root of 30425288 is about 312.1846649512.

The spelling of 30425288 in words is "thirty million, four hundred twenty-five thousand, two hundred eighty-eight".