30625264 has 20 divisors (see below), whose sum is σ = 62460040. Its totient is φ = 14506560.

The previous prime is 30625261. The next prime is 30625267. The reversal of 30625264 is 46252603.

30625264 = T₄₅₁₇ + T₄₅₁₈ + T₄₅₁₉.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30625261) and next prime (30625267).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30625261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50067 + ... + 50674.

It is an arithmetic number, because the mean of its divisors is an integer number (3123002).

Almost surely, 2^30625264 is an apocalyptic number.

30625264 is the 4519-th centered triangular number.

It is an amenable number.

30625264 is an abundant number, since it is smaller than the sum of its proper divisors (31834776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30625264 is a wasteful number, since it uses less digits than its factorization.

30625264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100768 (or 100762 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 30625264 is about 5534.0097578519. The cubic root of 30625264 is about 312.8671362928.

Adding to 30625264 its reverse (46252603), we get a palindrome (76877867).

The spelling of 30625264 in words is "thirty million, six hundred twenty-five thousand, two hundred sixty-four".