252530552591 has 2 divisors, whose sum is σ = 252530552592. Its totient is φ = 252530552590.

The previous prime is 252530552423. The next prime is 252530552597. The reversal of 252530552591 is 195255035252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252530552591 - 2³⁰ = 251456810767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252530552597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126265276295 + 126265276296.

It is an arithmetic number, because the mean of its divisors is an integer number (126265276296).

Almost surely, 2^252530552591 is an apocalyptic number.

252530552591 is a deficient number, since it is larger than the sum of its proper divisors (1).

252530552591 is an equidigital number, since it uses as much as digits as its factorization.

252530552591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 252530552591 in words is "two hundred fifty-two billion, five hundred thirty million, five hundred fifty-two thousand, five hundred ninety-one".