252188307057451 has 2 divisors, whose sum is σ = 252188307057452. Its totient is φ = 252188307057450.

The previous prime is 252188307057437. The next prime is 252188307057461. The reversal of 252188307057451 is 154750703881252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252188307057451 is a prime.

It is not a weakly prime, because it can be changed into another prime (252188307057461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126094153528725 + 126094153528726.

It is an arithmetic number, because the mean of its divisors is an integer number (126094153528726).

Almost surely, 2^{252188307057451} is an apocalyptic number.

252188307057451 is a deficient number, since it is larger than the sum of its proper divisors (1).

252188307057451 is an equidigital number, since it uses as much as digits as its factorization.

252188307057451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816000, while the sum is 58.

The spelling of 252188307057451 in words is "two hundred fifty-two trillion, one hundred eighty-eight billion, three hundred seven million, fifty-seven thousand, four hundred fifty-one".