507653 has 4 divisors (see below), whose sum is σ = 509388. Its totient is φ = 505920.

The previous prime is 507641. The next prime is 507667. The reversal of 507653 is 356705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356705 = 5 ⋅71341.

It can be written as a sum of positive squares in 2 ways, for example, as 174724 + 332929 = 418^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 507653 - 2⁶ = 507589 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308 + ... + 1053.

It is an arithmetic number, because the mean of its divisors is an integer number (127347).

2⁵⁰⁷⁶⁵³ is an apocalyptic number.

It is an amenable number.

507653 is a deficient number, since it is larger than the sum of its proper divisors (1735).

507653 is a wasteful number, since it uses less digits than its factorization.

507653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 507653 is about 712.4977192946. The cubic root of 507653 is about 79.7729499631.

The spelling of 507653 in words is "five hundred seven thousand, six hundred fifty-three".