507213457 has 16 divisors (see below), whose sum is σ = 536035968. Its totient is φ = 479001600.

The previous prime is 507213439. The next prime is 507213461. The reversal of 507213457 is 754312705.

It is a cyclic number.

It is not a de Polignac number, because 507213457 - 2²⁷ = 372995729 is a prime.

It is a super-3 number, since 3×507213457³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507213407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723207 + ... + 723907.

It is an arithmetic number, because the mean of its divisors is an integer number (33502248).

Almost surely, 2^507213457 is an apocalyptic number.

It is an amenable number.

507213457 is a deficient number, since it is larger than the sum of its proper divisors (28822511).

507213457 is a wasteful number, since it uses less digits than its factorization.

507213457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 507213457 is about 22521.3999786869. The cubic root of 507213457 is about 797.4991994961.

The spelling of 507213457 in words is "five hundred seven million, two hundred thirteen thousand, four hundred fifty-seven".