313545725 has 6 divisors (see below), whose sum is σ = 388796730. Its totient is φ = 250836560.

The previous prime is 313545703. The next prime is 313545751. The reversal of 313545725 is 527545313.

It can be written as a sum of positive squares in 3 ways, for example, as 22024249 + 291521476 = 4693^2 + 17074^2 .

It is not a de Polignac number, because 313545725 - 2⁸ = 313545469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6270890 + ... + 6270939.

It is an arithmetic number, because the mean of its divisors is an integer number (64799455).

Almost surely, 2^313545725 is an apocalyptic number.

It is an amenable number.

313545725 is a deficient number, since it is larger than the sum of its proper divisors (75251005).

313545725 is a wasteful number, since it uses less digits than its factorization.

313545725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12541839 (or 12541834 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 313545725 is about 17707.2223965251. Note that the first 3 decimals coincide. The cubic root of 313545725 is about 679.3605038875.

The spelling of 313545725 in words is "three hundred thirteen million, five hundred forty-five thousand, seven hundred twenty-five".