252115659 has 24 divisors (see below), whose sum is σ = 379050672. Its totient is φ = 167456160.

The previous prime is 252115649. The next prime is 252115663. The reversal of 252115659 is 956511252.

It is not a de Polignac number, because 252115659 - 2¹¹ = 252113611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252115609) 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 23 ways as a sum of consecutive naturals, for example, 69429 + ... + 72969.

It is an arithmetic number, because the mean of its divisors is an integer number (15793778).

Almost surely, 2^252115659 is an apocalyptic number.

252115659 is a deficient number, since it is larger than the sum of its proper divisors (126935013).

252115659 is an equidigital number, since it uses as much as digits as its factorization.

252115659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849 (or 3837 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 252115659 is about 15878.1503645733. The cubic root of 252115659 is about 631.7325777681.

The spelling of 252115659 in words is "two hundred fifty-two million, one hundred fifteen thousand, six hundred fifty-nine".