30996525 has 96 divisors (see below), whose sum is σ = 65138688. Its totient is φ = 12672000.

The previous prime is 30996523. The next prime is 30996551. The reversal of 30996525 is 52569903.

It is not a de Polignac number, because 30996525 - 2¹ = 30996523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30996521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 205200 + ... + 205350.

It is an arithmetic number, because the mean of its divisors is an integer number (678528).

Almost surely, 2^30996525 is an apocalyptic number.

30996525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30996525 is an abundant number, since it is smaller than the sum of its proper divisors (34142163).

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

30996525 is a wasteful number, since it uses less digits than its factorization.

30996525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 30996525 is about 5567.4522898719. The cubic root of 30996525 is about 314.1263268459.

The spelling of 30996525 in words is "thirty million, nine hundred ninety-six thousand, five hundred twenty-five".