252612277 has 6 divisors (see below), whose sum is σ = 266607798. Its totient is φ = 239316552.

The previous prime is 252612253. The next prime is 252612281. The reversal of 252612277 is 772216252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 127373796 + 125238481 = 11286^2 + 11191^2 .

It is not a de Polignac number, because 252612277 - 2¹¹ = 252610229 is a prime.

It is a super-2 number, since 2×252612277² = 127625924982249458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252612377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 349518 + ... + 350239.

It is an arithmetic number, because the mean of its divisors is an integer number (44434633).

Almost surely, 2^252612277 is an apocalyptic number.

It is an amenable number.

252612277 is a deficient number, since it is larger than the sum of its proper divisors (13995521).

252612277 is an equidigital number, since it uses as much as digits as its factorization.

252612277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699795 (or 699776 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 252612277 is about 15893.7810794034. The cubic root of 252612277 is about 632.1471018011.

The spelling of 252612277 in words is "two hundred fifty-two million, six hundred twelve thousand, two hundred seventy-seven".