315322253 has 2 divisors, whose sum is σ = 315322254. Its totient is φ = 315322252.

The previous prime is 315322207. The next prime is 315322313. The reversal of 315322253 is 352223513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169468324 + 145853929 = 13018^2 + 12077^2 .

It is an emirp because it is prime and its reverse (352223513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315322253 - 2⁸ = 315321997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315324253) by changing a digit.

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 as a sum of consecutive naturals, namely, 157661126 + 157661127.

It is an arithmetic number, because the mean of its divisors is an integer number (157661127).

Almost surely, 2^315322253 is an apocalyptic number.

It is an amenable number.

315322253 is a deficient number, since it is larger than the sum of its proper divisors (1).

315322253 is an equidigital number, since it uses as much as digits as its factorization.

315322253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 26.

The square root of 315322253 is about 17757.3154784162. The cubic root of 315322253 is about 680.6411578189.

Adding to 315322253 its reverse (352223513), we get a palindrome (667545766).

The spelling of 315322253 in words is "three hundred fifteen million, three hundred twenty-two thousand, two hundred fifty-three".