507245 has 4 divisors (see below), whose sum is σ = 608700. Its totient is φ = 405792.

The previous prime is 507217. The next prime is 507289. The reversal of 507245 is 542705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542705 = 5 ⋅108541.

It can be written as a sum of positive squares in 2 ways, for example, as 243049 + 264196 = 493^2 + 514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507245 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 507245.

It is a congruent number.

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, 50720 + ... + 50729.

It is an arithmetic number, because the mean of its divisors is an integer number (152175).

2⁵⁰⁷²⁴⁵ is an apocalyptic number.

It is an amenable number.

507245 is a deficient number, since it is larger than the sum of its proper divisors (101455).

507245 is a wasteful number, since it uses less digits than its factorization.

507245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101454.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 507245 is about 712.2113450374. The cubic root of 507245 is about 79.7515730995.

The spelling of 507245 in words is "five hundred seven thousand, two hundred forty-five".