252642323271287 has 2 divisors, whose sum is σ = 252642323271288. Its totient is φ = 252642323271286.

The previous prime is 252642323271271. The next prime is 252642323271307. The reversal of 252642323271287 is 782172323246252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252642323271287 - 2⁴ = 252642323271271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252642323271887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126321161635643 + 126321161635644.

It is an arithmetic number, because the mean of its divisors is an integer number (126321161635644).

Almost surely, 2^{252642323271287} is an apocalyptic number.

252642323271287 is a deficient number, since it is larger than the sum of its proper divisors (1).

252642323271287 is an equidigital number, since it uses as much as digits as its factorization.

252642323271287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27095040, while the sum is 56.

The spelling of 252642323271287 in words is "two hundred fifty-two trillion, six hundred forty-two billion, three hundred twenty-three million, two hundred seventy-one thousand, two hundred eighty-seven".