313507 has 2 divisors, whose sum is σ = 313508. Its totient is φ = 313506.

The previous prime is 313477. The next prime is 313517. The reversal of 313507 is 705313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313507 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (313517) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156753 + 156754.

It is an arithmetic number, because the mean of its divisors is an integer number (156754).

2³¹³⁵⁰⁷ is an apocalyptic number.

313507 is a deficient number, since it is larger than the sum of its proper divisors (1).

313507 is an equidigital number, since it uses as much as digits as its factorization.

313507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 313507 is about 559.9169581286. The cubic root of 313507 is about 67.9332534210.

It can be divided in two parts, 313 and 507, that added together give a triangular number (820 = T₄₀).

The spelling of 313507 in words is "three hundred thirteen thousand, five hundred seven".