30525565 has 8 divisors (see below), whose sum is σ = 41863680. Its totient is φ = 20931792.

The previous prime is 30525553. The next prime is 30525569. The reversal of 30525565 is 56552503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-30525565 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436045 + ... + 436114.

It is an arithmetic number, because the mean of its divisors is an integer number (5232960).

Almost surely, 2^30525565 is an apocalyptic number.

30525565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30525565 is a deficient number, since it is larger than the sum of its proper divisors (11338115).

30525565 is an equidigital number, since it uses as much as digits as its factorization.

30525565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872171.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 30525565 is about 5524.9945701331. The cubic root of 30525565 is about 312.5272594887.

The spelling of 30525565 in words is "thirty million, five hundred twenty-five thousand, five hundred sixty-five".