313740225 has 18 divisors (see below), whose sum is σ = 561944006. Its totient is φ = 167328000.

The previous prime is 313740199. The next prime is 313740227. The reversal of 313740225 is 522047313.

It can be written as a sum of positive squares in 3 ways, for example, as 25281 + 313714944 = 159^2 + 17712^2 .

It is not a de Polignac number, because 313740225 - 2¹³ = 313732033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313740227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 696976 + ... + 697425.

Almost surely, 2^313740225 is an apocalyptic number.

It is an amenable number.

313740225 is a deficient number, since it is larger than the sum of its proper divisors (248203781).

313740225 is a wasteful number, since it uses less digits than its factorization.

313740225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394417 (or 1394409 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 313740225 is about 17712.7136543219. The cubic root of 313740225 is about 679.5009494372.

Adding to 313740225 its reverse (522047313), we get a palindrome (835787538).

The spelling of 313740225 in words is "three hundred thirteen million, seven hundred forty thousand, two hundred twenty-five".