523507064 has 8 divisors (see below), whose sum is σ = 981575760. Its totient is φ = 261753528.

The previous prime is 523507031. The next prime is 523507067. The reversal of 523507064 is 460705325.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 523507064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523507067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32719184 + ... + 32719199.

It is an arithmetic number, because the mean of its divisors is an integer number (122696970).

Almost surely, 2^523507064 is an apocalyptic number.

It is an amenable number.

523507064 is a deficient number, since it is larger than the sum of its proper divisors (458068696).

523507064 is a wasteful number, since it uses less digits than its factorization.

523507064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65438389 (or 65438385 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 523507064 is about 22880.2767465780. The cubic root of 523507064 is about 805.9489158494.

The spelling of 523507064 in words is "five hundred twenty-three million, five hundred seven thousand, sixty-four".