520607494 has 16 divisors (see below), whose sum is σ = 852535296. Its totient is φ = 236464200.

The previous prime is 520607471. The next prime is 520607497. The reversal of 520607494 is 494706025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520607497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24319 + ... + 40405.

It is an arithmetic number, because the mean of its divisors is an integer number (53283456).

Almost surely, 2^520607494 is an apocalyptic number.

520607494 is a deficient number, since it is larger than the sum of its proper divisors (331927802).

520607494 is a wasteful number, since it uses less digits than its factorization.

520607494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17571.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 520607494 is about 22816.8248010103. The cubic root of 520607494 is about 804.4581794368.

The spelling of 520607494 in words is "five hundred twenty million, six hundred seven thousand, four hundred ninety-four".