1252335503369 has 2 divisors, whose sum is σ = 1252335503370. Its totient is φ = 1252335503368.

The previous prime is 1252335503303. The next prime is 1252335503371. The reversal of 1252335503369 is 9633055332521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 803375201344 + 448960302025 = 896312^2 + 670045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252335503369 is a prime.

It is a super-2 number, since 2×1252335503369² (a number of 25 digits) contains 22 as substring.

Together with 1252335503371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1252335503269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626167751684 + 626167751685.

It is an arithmetic number, because the mean of its divisors is an integer number (626167751685).

Almost surely, 2^{1252335503369} is an apocalyptic number.

It is an amenable number.

1252335503369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252335503369 is an equidigital number, since it uses as much as digits as its factorization.

1252335503369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187000, while the sum is 47.

The spelling of 1252335503369 in words is "one trillion, two hundred fifty-two billion, three hundred thirty-five million, five hundred three thousand, three hundred sixty-nine".