252676177509 has 16 divisors (see below), whose sum is σ = 386035679232. Its totient is φ = 144009394608.

The previous prime is 252676177493. The next prime is 252676177577. The reversal of 252676177509 is 905771676252.

It is not a de Polignac number, because 252676177509 - 2⁴ = 252676177493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252676177309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15699789 + ... + 15715874.

It is an arithmetic number, because the mean of its divisors is an integer number (24127229952).

Almost surely, 2^252676177509 is an apocalyptic number.

It is an amenable number.

252676177509 is a deficient number, since it is larger than the sum of its proper divisors (133359501723).

252676177509 is a wasteful number, since it uses less digits than its factorization.

252676177509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31416056.

The product of its (nonzero) digits is 11113200, while the sum is 57.

The spelling of 252676177509 in words is "two hundred fifty-two billion, six hundred seventy-six million, one hundred seventy-seven thousand, five hundred nine".