252515257617 has 8 divisors (see below), whose sum is σ = 384785154496. Its totient is φ = 144294432912.

The previous prime is 252515257573. The next prime is 252515257667. The reversal of 252515257617 is 716752515252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252515257617 - 2¹⁵ = 252515224849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252515257667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6012268018 + ... + 6012268059.

It is an arithmetic number, because the mean of its divisors is an integer number (48098144312).

Almost surely, 2^252515257617 is an apocalyptic number.

It is an amenable number.

252515257617 is a deficient number, since it is larger than the sum of its proper divisors (132269896879).

252515257617 is a wasteful number, since it uses less digits than its factorization.

252515257617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12024536087.

The product of its digits is 1470000, while the sum is 48.

The spelling of 252515257617 in words is "two hundred fifty-two billion, five hundred fifteen million, two hundred fifty-seven thousand, six hundred seventeen".