506766513 has 12 divisors (see below), whose sum is σ = 742699664. Its totient is φ = 307131000.

The previous prime is 506766479. The next prime is 506766523. The reversal of 506766513 is 315667605.

It is not a de Polignac number, because 506766513 - 2⁸ = 506766257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506766523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697663 + ... + 698388.

Almost surely, 2^506766513 is an apocalyptic number.

It is an amenable number.

506766513 is a deficient number, since it is larger than the sum of its proper divisors (235933151).

506766513 is a wasteful number, since it uses less digits than its factorization.

506766513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396076 (or 1396065 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 506766513 is about 22511.4751404700. The cubic root of 506766513 is about 797.2648851108.

The spelling of 506766513 in words is "five hundred six million, seven hundred sixty-six thousand, five hundred thirteen".