313751225 has 6 divisors (see below), whose sum is σ = 389051550. Its totient is φ = 251000960.

The previous prime is 313751219. The next prime is 313751233. The reversal of 313751225 is 522157313.

It can be written as a sum of positive squares in 3 ways, for example, as 93644329 + 220106896 = 9677^2 + 14836^2 .

It is not a de Polignac number, because 313751225 - 2¹⁶ = 313685689 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6275000 + ... + 6275049.

It is an arithmetic number, because the mean of its divisors is an integer number (64841925).

Almost surely, 2^313751225 is an apocalyptic number.

It is an amenable number.

313751225 is a deficient number, since it is larger than the sum of its proper divisors (75300325).

313751225 is a wasteful number, since it uses less digits than its factorization.

313751225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12550059 (or 12550054 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 313751225 is about 17713.0241630276. The cubic root of 313751225 is about 679.5088906388.

The spelling of 313751225 in words is "three hundred thirteen million, seven hundred fifty-one thousand, two hundred twenty-five".