313504745 has 4 divisors (see below), whose sum is σ = 376205700. Its totient is φ = 250803792.

The previous prime is 313504733. The next prime is 313504747. The reversal of 313504745 is 547405313.

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 219395344 + 94109401 = 14812^2 + 9701^2 .

It is a cyclic number.

It is not a de Polignac number, because 313504745 - 2⁴ = 313504729 is a prime.

It is a super-3 number, since 3×313504745³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (313504747) 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, 31350470 + ... + 31350479.

It is an arithmetic number, because the mean of its divisors is an integer number (94051425).

Almost surely, 2^313504745 is an apocalyptic number.

It is an amenable number.

313504745 is a deficient number, since it is larger than the sum of its proper divisors (62700955).

313504745 is an equidigital number, since it uses as much as digits as its factorization.

313504745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62700954.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 313504745 is about 17706.0652037656. The cubic root of 313504745 is about 679.3309054332.

The spelling of 313504745 in words is "three hundred thirteen million, five hundred four thousand, seven hundred forty-five".