523328065 has 16 divisors (see below), whose sum is σ = 682875648. Its totient is φ = 382700736.

The previous prime is 523328063. The next prime is 523328083. The reversal of 523328065 is 560823325.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 523328065 - 2¹ = 523328063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523328065.

It is not an unprimeable number, because it can be changed into a prime (523328063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32389 + ... + 45778.

It is an arithmetic number, because the mean of its divisors is an integer number (42679728).

Almost surely, 2^523328065 is an apocalyptic number.

It is an amenable number.

523328065 is a deficient number, since it is larger than the sum of its proper divisors (159547583).

523328065 is a wasteful number, since it uses less digits than its factorization.

523328065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78288.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 523328065 is about 22876.3647680308. The cubic root of 523328065 is about 805.8570479419.

The spelling of 523328065 in words is "five hundred twenty-three million, three hundred twenty-eight thousand, sixty-five".