252272752493 has 2 divisors, whose sum is σ = 252272752494. Its totient is φ = 252272752492.

The previous prime is 252272752481. The next prime is 252272752507. The reversal of 252272752493 is 394257272252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154792672969 + 97480079524 = 393437^2 + 312218^2 .

It is a cyclic number.

It is not a de Polignac number, because 252272752493 - 2²² = 252268558189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252272752423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126136376246 + 126136376247.

It is an arithmetic number, because the mean of its divisors is an integer number (126136376247).

Almost surely, 2^252272752493 is an apocalyptic number.

It is an amenable number.

252272752493 is a deficient number, since it is larger than the sum of its proper divisors (1).

252272752493 is an equidigital number, since it uses as much as digits as its factorization.

252272752493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 50.

The spelling of 252272752493 in words is "two hundred fifty-two billion, two hundred seventy-two million, seven hundred fifty-two thousand, four hundred ninety-three".