1257614713 has 2 divisors, whose sum is σ = 1257614714. Its totient is φ = 1257614712.

The previous prime is 1257614711. The next prime is 1257614717. The reversal of 1257614713 is 3174167521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 800210944 + 457403769 = 28288^2 + 21387^2 .

It is a cyclic number.

It is not a de Polignac number, because 1257614713 - 2¹ = 1257614711 is a prime.

Together with 1257614711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1257614711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628807356 + 628807357.

It is an arithmetic number, because the mean of its divisors is an integer number (628807357).

Almost surely, 2^1257614713 is an apocalyptic number.

It is an amenable number.

1257614713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1257614713 is an equidigital number, since it uses as much as digits as its factorization.

1257614713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 1257614713 is about 35462.8638578443. The cubic root of 1257614713 is about 1079.4003052132.

The spelling of 1257614713 in words is "one billion, two hundred fifty-seven million, six hundred fourteen thousand, seven hundred thirteen".