252737591 has 2 divisors, whose sum is σ = 252737592. Its totient is φ = 252737590.

The previous prime is 252737567. The next prime is 252737629. The reversal of 252737591 is 195737252.

252737591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252737591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252737561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126368795 + 126368796.

It is an arithmetic number, because the mean of its divisors is an integer number (126368796).

Almost surely, 2^252737591 is an apocalyptic number.

252737591 is a deficient number, since it is larger than the sum of its proper divisors (1).

252737591 is an equidigital number, since it uses as much as digits as its factorization.

252737591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 41.

The square root of 252737591 is about 15897.7228243544. The cubic root of 252737591 is about 632.2516147822.

The spelling of 252737591 in words is "two hundred fifty-two million, seven hundred thirty-seven thousand, five hundred ninety-one".