506570493 has 24 divisors (see below), whose sum is σ = 799527904. Its totient is φ = 283393440.

The previous prime is 506570489. The next prime is 506570501. The reversal of 506570493 is 394075605.

It is not a de Polignac number, because 506570493 - 2² = 506570489 is a prime.

It is a super-2 number, since 2×506570493² = 513227328756526098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506570443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48955 + ... + 58392.

Almost surely, 2^506570493 is an apocalyptic number.

It is an amenable number.

506570493 is a deficient number, since it is larger than the sum of its proper divisors (292957411).

506570493 is a wasteful number, since it uses less digits than its factorization.

506570493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107385 (or 107374 counting only the distinct ones).

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

The square root of 506570493 is about 22507.1209398270. The cubic root of 506570493 is about 797.1620764122.

The spelling of 506570493 in words is "five hundred six million, five hundred seventy thousand, four hundred ninety-three".