252597886501 has 4 divisors (see below), whose sum is σ = 258758810604. Its totient is φ = 246436962400.

The previous prime is 252597886459. The next prime is 252597886517. The reversal of 252597886501 is 105688795252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87397096900 + 165200789601 = 295630^2 + 406449^2 .

It is a cyclic number.

It is not a de Polignac number, because 252597886501 - 2⁹ = 252597885989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252597886591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3080461990 + ... + 3080462071.

It is an arithmetic number, because the mean of its divisors is an integer number (64689702651).

Almost surely, 2^252597886501 is an apocalyptic number.

It is an amenable number.

252597886501 is a deficient number, since it is larger than the sum of its proper divisors (6160924103).

252597886501 is an equidigital number, since it uses as much as digits as its factorization.

252597886501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160924102.

The product of its (nonzero) digits is 12096000, while the sum is 58.

The spelling of 252597886501 in words is "two hundred fifty-two billion, five hundred ninety-seven million, eight hundred eighty-six thousand, five hundred one".