30525087 has 4 divisors (see below), whose sum is σ = 40700120. Its totient is φ = 20350056.

The previous prime is 30525083. The next prime is 30525113. The reversal of 30525087 is 78052503.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30525087 - 2² = 30525083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525083) 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, 5087512 + ... + 5087517.

It is an arithmetic number, because the mean of its divisors is an integer number (10175030).

Almost surely, 2^30525087 is an apocalyptic number.

30525087 is a deficient number, since it is larger than the sum of its proper divisors (10175033).

30525087 is a wasteful number, since it uses less digits than its factorization.

30525087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175032.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 30525087 is about 5524.9513120027. The cubic root of 30525087 is about 312.5256281915.

The spelling of 30525087 in words is "thirty million, five hundred twenty-five thousand, eighty-seven".