523000564537 has 4 divisors (see below), whose sum is σ = 570546070416. Its totient is φ = 475455058660.

The previous prime is 523000564531. The next prime is 523000564577. The reversal of 523000564537 is 735465000325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523000564537 - 2³ = 523000564529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523000564537.

It is not an unprimeable number, because it can be changed into a prime (523000564531) 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, 23772752923 + ... + 23772752944.

It is an arithmetic number, because the mean of its divisors is an integer number (142636517604).

Almost surely, 2^523000564537 is an apocalyptic number.

It is an amenable number.

523000564537 is a deficient number, since it is larger than the sum of its proper divisors (47545505879).

523000564537 is a wasteful number, since it uses less digits than its factorization.

523000564537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47545505878.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 523000564537 in words is "five hundred twenty-three billion, five hundred sixty-four thousand, five hundred thirty-seven".