507457 has 4 divisors (see below), whose sum is σ = 519876. Its totient is φ = 495040.

The previous prime is 507431. The next prime is 507461. The reversal of 507457 is 754705.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39601 + 467856 = 199^2 + 684^2 .

It is a cyclic number.

It is not a de Polignac number, because 507457 - 2⁷ = 507329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6148 + ... + 6229.

It is an arithmetic number, because the mean of its divisors is an integer number (129969).

2⁵⁰⁷⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

507457 is a deficient number, since it is larger than the sum of its proper divisors (12419).

507457 is a wasteful number, since it uses less digits than its factorization.

507457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12418.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 507457 is about 712.3601617160. The cubic root of 507457 is about 79.7626821156.

The spelling of 507457 in words is "five hundred seven thousand, four hundred fifty-seven".