252303543253541 has 8 divisors (see below), whose sum is σ = 273119339770200. Its totient is φ = 231688865544192.

The previous prime is 252303543253483. The next prime is 252303543253547. The reversal of 252303543253541 is 145352345303252.

It can be written as a sum of positive squares in 4 ways, for example, as 2968263808225 + 249335279445316 = 1722865^2 + 15790354^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252303543253541 - 2⁶ = 252303543253477 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 (252303543253547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50279699216 + ... + 50279704233.

It is an arithmetic number, because the mean of its divisors is an integer number (34139917471275).

Almost surely, 2^{252303543253541} is an apocalyptic number.

It is an amenable number.

252303543253541 is a deficient number, since it is larger than the sum of its proper divisors (20815796516659).

252303543253541 is a wasteful number, since it uses less digits than its factorization.

252303543253541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100559403655.

The product of its (nonzero) digits is 6480000, while the sum is 47.

Adding to 252303543253541 its reverse (145352345303252), we get a palindrome (397655888556793).

The spelling of 252303543253541 in words is "two hundred fifty-two trillion, three hundred three billion, five hundred forty-three million, two hundred fifty-three thousand, five hundred forty-one".