1252961713 has 2 divisors, whose sum is σ = 1252961714. Its totient is φ = 1252961712.

The previous prime is 1252961687. The next prime is 1252961729. The reversal of 1252961713 is 3171692521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 888457249 + 364504464 = 29807^2 + 19092^2 .

It is an emirp because it is prime and its reverse (3171692521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252961713 - 2⁹ = 1252961201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1252967713) 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, 626480856 + 626480857.

It is an arithmetic number, because the mean of its divisors is an integer number (626480857).

Almost surely, 2^1252961713 is an apocalyptic number.

It is an amenable number.

1252961713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252961713 is an equidigital number, since it uses as much as digits as its factorization.

1252961713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 1252961713 is about 35397.1992253624. The cubic root of 1252961713 is about 1078.0674495954.

The spelling of 1252961713 in words is "one billion, two hundred fifty-two million, nine hundred sixty-one thousand, seven hundred thirteen".