252512639129 has 8 divisors (see below), whose sum is σ = 252875421888. Its totient is φ = 252149934960.

The previous prime is 252512639117. The next prime is 252512639161. The reversal of 252512639129 is 921936215252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252512639129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252512639329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9924434 + ... + 9949844.

It is an arithmetic number, because the mean of its divisors is an integer number (31609427736).

Almost surely, 2^252512639129 is an apocalyptic number.

It is an amenable number.

252512639129 is a deficient number, since it is larger than the sum of its proper divisors (362782759).

252512639129 is a wasteful number, since it uses less digits than its factorization.

252512639129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39295.

The product of its digits is 583200, while the sum is 47.

The spelling of 252512639129 in words is "two hundred fifty-two billion, five hundred twelve million, six hundred thirty-nine thousand, one hundred twenty-nine".