313251225 has 24 divisors (see below), whose sum is σ = 591896640. Its totient is φ = 143200320.

The previous prime is 313251209. The next prime is 313251229. The reversal of 313251225 is 522152313.

It is a happy number.

It is not a de Polignac number, because 313251225 - 2⁴ = 313251209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313251195 and 313251204.

It is not an unprimeable number, because it can be changed into a prime (313251229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297810 + ... + 298859.

It is an arithmetic number, because the mean of its divisors is an integer number (24662360).

Almost surely, 2^313251225 is an apocalyptic number.

313251225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313251225 is a deficient number, since it is larger than the sum of its proper divisors (278645415).

313251225 is a wasteful number, since it uses less digits than its factorization.

313251225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596689 (or 596684 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 313251225 is about 17698.9046271231. The cubic root of 313251225 is about 679.1477392361.

The spelling of 313251225 in words is "three hundred thirteen million, two hundred fifty-one thousand, two hundred twenty-five".