507043493 has 4 divisors (see below), whose sum is σ = 553138368. Its totient is φ = 460948620.

The previous prime is 507043457. The next prime is 507043499. The reversal of 507043493 is 394340705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 507043493 - 2¹⁶ = 506977957 is a prime.

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 (507043499) 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 3 ways as a sum of consecutive naturals, for example, 23047421 + ... + 23047442.

It is an arithmetic number, because the mean of its divisors is an integer number (138284592).

Almost surely, 2^507043493 is an apocalyptic number.

It is an amenable number.

507043493 is a deficient number, since it is larger than the sum of its proper divisors (46094875).

507043493 is a wasteful number, since it uses less digits than its factorization.

507043493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46094874.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 507043493 is about 22517.6262736550. The cubic root of 507043493 is about 797.4101105763.

The spelling of 507043493 in words is "five hundred seven million, forty-three thousand, four hundred ninety-three".