252124500551533 has 2 divisors, whose sum is σ = 252124500551534. Its totient is φ = 252124500551532.

The previous prime is 252124500551509. The next prime is 252124500551543. The reversal of 252124500551533 is 335155005421252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160652912561449 + 91471587990084 = 12674893^2 + 9564078^2 .

It is a cyclic number.

It is not a de Polignac number, because 252124500551533 - 2²⁹ = 252123963680621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252124500551533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252124500551543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126062250275766 + 126062250275767.

It is an arithmetic number, because the mean of its divisors is an integer number (126062250275767).

Almost surely, 2^{252124500551533} is an apocalyptic number.

It is an amenable number.

252124500551533 is a deficient number, since it is larger than the sum of its proper divisors (1).

252124500551533 is an equidigital number, since it uses as much as digits as its factorization.

252124500551533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 252124500551533 its reverse (335155005421252), we get a palindrome (587279505972785).

The spelling of 252124500551533 in words is "two hundred fifty-two trillion, one hundred twenty-four billion, five hundred million, five hundred fifty-one thousand, five hundred thirty-three".