1252344312287 has 2 divisors, whose sum is σ = 1252344312288. Its totient is φ = 1252344312286.

The previous prime is 1252344312281. The next prime is 1252344312341. The reversal of 1252344312287 is 7822134432521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1252344312287 - 2¹⁰ = 1252344311263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252344312281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626172156143 + 626172156144.

It is an arithmetic number, because the mean of its divisors is an integer number (626172156144).

Almost surely, 2^{1252344312287} is an apocalyptic number.

1252344312287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252344312287 is an equidigital number, since it uses as much as digits as its factorization.

1252344312287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 44.

The spelling of 1252344312287 in words is "one trillion, two hundred fifty-two billion, three hundred forty-four million, three hundred twelve thousand, two hundred eighty-seven".