252231782 has 16 divisors (see below), whose sum is σ = 414221904. Its totient is φ = 114240000.

The previous prime is 252231773. The next prime is 252231797. The reversal of 252231782 is 287132252.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14219 + ... + 26582.

It is an arithmetic number, because the mean of its divisors is an integer number (25888869).

Almost surely, 2^252231782 is an apocalyptic number.

252231782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252231782 is a deficient number, since it is larger than the sum of its proper divisors (161990122).

252231782 is a wasteful number, since it uses less digits than its factorization.

252231782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41095.

The product of its digits is 13440, while the sum is 32.

The square root of 252231782 is about 15881.8066352667. The cubic root of 252231782 is about 631.8295536593.

The spelling of 252231782 in words is "two hundred fifty-two million, two hundred thirty-one thousand, seven hundred eighty-two".