252585038647 has 2 divisors, whose sum is σ = 252585038648. Its totient is φ = 252585038646.

The previous prime is 252585038639. The next prime is 252585038689. The reversal of 252585038647 is 746830585252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252585038647 - 2³ = 252585038639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252585038947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126292519323 + 126292519324.

It is an arithmetic number, because the mean of its divisors is an integer number (126292519324).

Almost surely, 2^252585038647 is an apocalyptic number.

252585038647 is a deficient number, since it is larger than the sum of its proper divisors (1).

252585038647 is an equidigital number, since it uses as much as digits as its factorization.

252585038647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128000, while the sum is 55.

The spelling of 252585038647 in words is "two hundred fifty-two billion, five hundred eighty-five million, thirty-eight thousand, six hundred forty-seven".