30564965 has 8 divisors (see below), whose sum is σ = 37279608. Its totient is φ = 24050880.

The previous prime is 30564943. The next prime is 30565001. The reversal of 30564965 is 56946503.

It can be written as a sum of positive squares in 4 ways, for example, as 2070721 + 28494244 = 1439^2 + 5338^2 .

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

It is not a de Polignac number, because 30564965 - 2¹⁸ = 30302821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49802 + ... + 50411.

It is an arithmetic number, because the mean of its divisors is an integer number (4659951).

Almost surely, 2^30564965 is an apocalyptic number.

It is an amenable number.

30564965 is a deficient number, since it is larger than the sum of its proper divisors (6714643).

30564965 is a wasteful number, since it uses less digits than its factorization.

30564965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100279.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 30564965 is about 5528.5590346853. The cubic root of 30564965 is about 312.6616635532.

The spelling of 30564965 in words is "thirty million, five hundred sixty-four thousand, nine hundred sixty-five".