252761086 has 4 divisors (see below), whose sum is σ = 379141632. Its totient is φ = 126380542.

The previous prime is 252761063. The next prime is 252761087. The reversal of 252761086 is 680167252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252761087) 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 as a sum of consecutive naturals, namely, 63190270 + ... + 63190273.

It is an arithmetic number, because the mean of its divisors is an integer number (94785408).

Almost surely, 2^252761086 is an apocalyptic number.

252761086 is a deficient number, since it is larger than the sum of its proper divisors (126380546).

252761086 is a wasteful number, since it uses less digits than its factorization.

252761086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126380545.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 252761086 is about 15898.4617494901. The cubic root of 252761086 is about 632.2712059734.

It can be divided in two parts, 25276 and 1086, that added together give a palindrome (26362).

The spelling of 252761086 in words is "two hundred fifty-two million, seven hundred sixty-one thousand, eighty-six".