1315286253 has 6 divisors (see below), whose sum is σ = 1899857934. Its totient is φ = 876857496.

The previous prime is 1315286239. The next prime is 1315286293. The reversal of 1315286253 is 3526825131.

1315286253 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 28 + 625 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 829612809 + 485673444 = 28803^2 + 22038^2 .

It is not a de Polignac number, because 1315286253 - 2⁴ = 1315286237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315286293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73071450 + ... + 73071467.

It is an arithmetic number, because the mean of its divisors is an integer number (316642989).

Almost surely, 2^1315286253 is an apocalyptic number.

It is an amenable number.

1315286253 is a deficient number, since it is larger than the sum of its proper divisors (584571681).

1315286253 is a wasteful number, since it uses less digits than its factorization.

1315286253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146142923 (or 146142920 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1315286253 is about 36266.8754237252. The cubic root of 1315286253 is about 1095.6539960080.

The spelling of 1315286253 in words is "one billion, three hundred fifteen million, two hundred eighty-six thousand, two hundred fifty-three".