313697 has 6 divisors (see below), whose sum is σ = 328482. Its totient is φ = 299552.

The previous prime is 313679. The next prime is 313699. The reversal of 313697 is 796313.

It can be written as a sum of positive squares in only one way, i.e., 279841 + 33856 = 529^2 + 184^2 .

It is not a de Polignac number, because 313697 - 2¹⁰ = 312673 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 313697.

It is not an unprimeable number, because it can be changed into a prime (313699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233 + ... + 825.

It is an arithmetic number, because the mean of its divisors is an integer number (54747).

2³¹³⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

313697 is a deficient number, since it is larger than the sum of its proper divisors (14785).

313697 is an equidigital number, since it uses as much as digits as its factorization.

313697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 616 counting only the distinct ones).

The product of its digits is 3402, while the sum is 29.

The square root of 313697 is about 560.0866004468. The cubic root of 313697 is about 67.9469742327.

The spelling of 313697 in words is "three hundred thirteen thousand, six hundred ninety-seven".