1312908253 has 2 divisors, whose sum is σ = 1312908254. Its totient is φ = 1312908252.

The previous prime is 1312908251. The next prime is 1312908269. The reversal of 1312908253 is 3528092131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946300644 + 366607609 = 30762^2 + 19147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312908253 - 2¹ = 1312908251 is a prime.

Together with 1312908251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312908251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656454126 + 656454127.

It is an arithmetic number, because the mean of its divisors is an integer number (656454127).

Almost surely, 2^1312908253 is an apocalyptic number.

It is an amenable number.

1312908253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312908253 is an equidigital number, since it uses as much as digits as its factorization.

1312908253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1312908253 is about 36234.0758540907. The cubic root of 1312908253 is about 1094.9932939547.

The spelling of 1312908253 in words is "one billion, three hundred twelve million, nine hundred eight thousand, two hundred fifty-three".