523601264 has 20 divisors (see below), whose sum is σ = 1049460360. Its totient is φ = 252772800.

The previous prime is 523601261. The next prime is 523601303. The reversal of 523601264 is 462106325.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523601261) 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, 563762 + ... + 564689.

It is an arithmetic number, because the mean of its divisors is an integer number (52473018).

Almost surely, 2^523601264 is an apocalyptic number.

It is an amenable number.

523601264 is an abundant number, since it is smaller than the sum of its proper divisors (525859096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523601264 is a wasteful number, since it uses less digits than its factorization.

523601264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128488 (or 1128482 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 523601264 is about 22882.3351955171. The cubic root of 523601264 is about 805.9972538374.

Adding to 523601264 its reverse (462106325), we get a palindrome (985707589).

The spelling of 523601264 in words is "five hundred twenty-three million, six hundred one thousand, two hundred sixty-four".