506366523 has 48 divisors (see below), whose sum is σ = 811915104. Its totient is φ = 302123520.

The previous prime is 506366507. The next prime is 506366557. The reversal of 506366523 is 325663605.

It is not a de Polignac number, because 506366523 - 2⁴ = 506366507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506366563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1357365 + ... + 1357737.

It is an arithmetic number, because the mean of its divisors is an integer number (16914898).

Almost surely, 2^506366523 is an apocalyptic number.

506366523 is a deficient number, since it is larger than the sum of its proper divisors (305548581).

506366523 is a wasteful number, since it uses less digits than its factorization.

506366523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 506366523 is about 22502.5892510173. The cubic root of 506366523 is about 797.0550699317.

The spelling of 506366523 in words is "five hundred six million, three hundred sixty-six thousand, five hundred twenty-three".