252040142200501 has 2 divisors, whose sum is σ = 252040142200502. Its totient is φ = 252040142200500.

The previous prime is 252040142200477. The next prime is 252040142200547. The reversal of 252040142200501 is 105002241040252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241660984611601 + 10379157588900 = 15545449^2 + 3221670^2 .

It is a cyclic number.

It is not a de Polignac number, because 252040142200501 - 2⁴³ = 243244049178293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252040142200501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252040142200001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126020071100250 + 126020071100251.

It is an arithmetic number, because the mean of its divisors is an integer number (126020071100251).

Almost surely, 2^{252040142200501} is an apocalyptic number.

It is an amenable number.

252040142200501 is a deficient number, since it is larger than the sum of its proper divisors (1).

252040142200501 is an equidigital number, since it uses as much as digits as its factorization.

252040142200501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 252040142200501 its reverse (105002241040252), we get a palindrome (357042383240753).

The spelling of 252040142200501 in words is "two hundred fifty-two trillion, forty billion, one hundred forty-two million, two hundred thousand, five hundred one".