252727566 has 32 divisors (see below), whose sum is σ = 622099968. Its totient is φ = 66653280.

The previous prime is 252727561. The next prime is 252727589. The reversal of 252727566 is 665727252.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252727561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230890 + ... + 231981.

It is an arithmetic number, because the mean of its divisors is an integer number (19440624).

Almost surely, 2^252727566 is an apocalyptic number.

252727566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

252727566 is an abundant number, since it is smaller than the sum of its proper divisors (369372402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252727566 is a wasteful number, since it uses less digits than its factorization.

252727566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462896.

The product of its digits is 352800, while the sum is 42.

The square root of 252727566 is about 15897.4075244991. The cubic root of 252727566 is about 632.2432551153.

The spelling of 252727566 in words is "two hundred fifty-two million, seven hundred twenty-seven thousand, five hundred sixty-six".