252352237454521 has 2 divisors, whose sum is σ = 252352237454522. Its totient is φ = 252352237454520.

The previous prime is 252352237454509. The next prime is 252352237454557. The reversal of 252352237454521 is 125454732253252.

252352237454521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252327506432400 + 24731022121 = 15884820^2 + 157261^2 .

It is a cyclic number.

It is not a de Polignac number, because 252352237454521 - 2¹⁷ = 252352237323449 is a prime.

It is not a weakly prime, because it can be changed into another prime (252352237454021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126176118727260 + 126176118727261.

It is an arithmetic number, because the mean of its divisors is an integer number (126176118727261).

Almost surely, 2^{252352237454521} is an apocalyptic number.

It is an amenable number.

252352237454521 is a deficient number, since it is larger than the sum of its proper divisors (1).

252352237454521 is an equidigital number, since it uses as much as digits as its factorization.

252352237454521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160000, while the sum is 52.

The spelling of 252352237454521 in words is "two hundred fifty-two trillion, three hundred fifty-two billion, two hundred thirty-seven million, four hundred fifty-four thousand, five hundred twenty-one".