30525525 has 48 divisors (see below), whose sum is σ = 57496320. Its totient is φ = 15868800.

The previous prime is 30525511. The next prime is 30525529. The reversal of 30525525 is 52552503.

It is not a de Polignac number, because 30525525 - 2⁵ = 30525493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27124 + ... + 28226.

It is an arithmetic number, because the mean of its divisors is an integer number (1197840).

Almost surely, 2^30525525 is an apocalyptic number.

It is an amenable number.

30525525 is a deficient number, since it is larger than the sum of its proper divisors (26970795).

30525525 is a wasteful number, since it uses less digits than its factorization.

30525525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 30525525 is about 5524.9909502188. The cubic root of 30525525 is about 312.5271229792.

The spelling of 30525525 in words is "thirty million, five hundred twenty-five thousand, five hundred twenty-five".