313675521 has 8 divisors (see below), whose sum is σ = 418425600. Its totient is φ = 209021232.

The previous prime is 313675511. The next prime is 313675547. The reversal of 313675521 is 125576313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313675521 - 2⁷ = 313675393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313675511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15921 + ... + 29678.

It is an arithmetic number, because the mean of its divisors is an integer number (52303200).

Almost surely, 2^313675521 is an apocalyptic number.

It is an amenable number.

313675521 is a deficient number, since it is larger than the sum of its proper divisors (104750079).

313675521 is a wasteful number, since it uses less digits than its factorization.

313675521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47895.

The product of its digits is 18900, while the sum is 33.

The square root of 313675521 is about 17710.8870754686. The cubic root of 313675521 is about 679.4542340883.

The spelling of 313675521 in words is "three hundred thirteen million, six hundred seventy-five thousand, five hundred twenty-one".