252731823 has 8 divisors (see below), whose sum is σ = 341241600. Its totient is φ = 166354968.

The previous prime is 252731783. The next prime is 252731827. The reversal of 252731823 is 328137252.

252731823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252731823 - 2¹⁶ = 252666287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252731827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532953 + ... + 533426.

It is an arithmetic number, because the mean of its divisors is an integer number (42655200).

Almost surely, 2^252731823 is an apocalyptic number.

252731823 is a deficient number, since it is larger than the sum of its proper divisors (88509777).

252731823 is a wasteful number, since it uses less digits than its factorization.

252731823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066461.

The product of its digits is 20160, while the sum is 33.

The square root of 252731823 is about 15897.5414136904. The cubic root of 252731823 is about 632.2468049779.

The spelling of 252731823 in words is "two hundred fifty-two million, seven hundred thirty-one thousand, eight hundred twenty-three".