252297771064 has 16 divisors (see below), whose sum is σ = 497956127400. Its totient is φ = 119509470432.

The previous prime is 252297771017. The next prime is 252297771067. The reversal of 252297771064 is 460177792252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252297771067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829926727 + ... + 829927030.

Almost surely, 2^252297771064 is an apocalyptic number.

It is an amenable number.

252297771064 is a deficient number, since it is larger than the sum of its proper divisors (245658356336).

252297771064 is a wasteful number, since it uses less digits than its factorization.

252297771064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659853782 (or 1659853778 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 252297771064 in words is "two hundred fifty-two billion, two hundred ninety-seven million, seven hundred seventy-one thousand, sixty-four".