504312506 has 8 divisors (see below), whose sum is σ = 764267700. Its totient is φ = 249556608.

The previous prime is 504312499. The next prime is 504312541. The reversal of 504312506 is 605213405.

It can be written as a sum of positive squares in 2 ways, for example, as 503598481 + 714025 = 22441^2 + 845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×504312506² = 508662207416000072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299581 + ... + 1299968.

Almost surely, 2^504312506 is an apocalyptic number.

504312506 is a deficient number, since it is larger than the sum of its proper divisors (259955194).

504312506 is a wasteful number, since it uses less digits than its factorization.

504312506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599648.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 504312506 is about 22456.9033038841. The cubic root of 504312506 is about 795.9758889779.

The spelling of 504312506 in words is "five hundred four million, three hundred twelve thousand, five hundred six".