252303543253577 has 2 divisors, whose sum is σ = 252303543253578. Its totient is φ = 252303543253576.

The previous prime is 252303543253561. The next prime is 252303543253589. The reversal of 252303543253577 is 775352345303252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251987812767376 + 315730486201 = 15874124^2 + 561899^2 .

It is a cyclic number.

It is not a de Polignac number, because 252303543253577 - 2⁴ = 252303543253561 is a prime.

It is a super-2 number, since 2×252303543253577² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252303543253547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126151771626788 + 126151771626789.

It is an arithmetic number, because the mean of its divisors is an integer number (126151771626789).

Almost surely, 2^{252303543253577} is an apocalyptic number.

It is an amenable number.

252303543253577 is a deficient number, since it is larger than the sum of its proper divisors (1).

252303543253577 is an equidigital number, since it uses as much as digits as its factorization.

252303543253577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380000, while the sum is 56.

The spelling of 252303543253577 in words is "two hundred fifty-two trillion, three hundred three billion, five hundred forty-three million, two hundred fifty-three thousand, five hundred seventy-seven".