313537849 has 3 divisors (see below), whose sum is σ = 313555557. Its totient is φ = 313520142.

The previous prime is 313537841. The next prime is 313537883. The reversal of 313537849 is 948735313.

It is a happy number.

The square root of 313537849 is 17707.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 948735313 = 26141 ⋅36293.

It is not a de Polignac number, because 313537849 - 2³ = 313537841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313537841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8854 + ... + 26560.

It is an arithmetic number, because the mean of its divisors is an integer number (104518519).

Almost surely, 2^313537849 is an apocalyptic number.

313537849 is the 17707-th square number.

313537849 is the 8854-th centered octagonal number.

It is an amenable number.

313537849 is a deficient number, since it is larger than the sum of its proper divisors (17708).

313537849 is an frugal number, since it uses more digits than its factorization.

313537849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35414 (or 17707 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The cubic root of 313537849 is about 679.3548155219.

The spelling of 313537849 in words is "three hundred thirteen million, five hundred thirty-seven thousand, eight hundred forty-nine".