1252617965941 has 2 divisors, whose sum is σ = 1252617965942. Its totient is φ = 1252617965940.

The previous prime is 1252617965839. The next prime is 1252617965993. The reversal of 1252617965941 is 1495697162521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 633019140625 + 619598825316 = 795625^2 + 787146^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252617965941 - 2¹¹ = 1252617963893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252617960941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626308982970 + 626308982971.

It is an arithmetic number, because the mean of its divisors is an integer number (626308982971).

Almost surely, 2^{1252617965941} is an apocalyptic number.

It is an amenable number.

1252617965941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252617965941 is an equidigital number, since it uses as much as digits as its factorization.

1252617965941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 58.

The spelling of 1252617965941 in words is "one trillion, two hundred fifty-two billion, six hundred seventeen million, nine hundred sixty-five thousand, nine hundred forty-one".