252731336 has 32 divisors (see below), whose sum is σ = 556718400. Its totient is φ = 106040640.

The previous prime is 252731321. The next prime is 252731341. The reversal of 252731336 is 633137252.

252731336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109316 + ... + 111603.

It is an arithmetic number, because the mean of its divisors is an integer number (17397450).

Almost surely, 2^252731336 is an apocalyptic number.

252731336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

252731336 is an abundant number, since it is smaller than the sum of its proper divisors (303987064).

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

252731336 is a wasteful number, since it uses less digits than its factorization.

252731336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220949 (or 220945 counting only the distinct ones).

The product of its digits is 22680, while the sum is 32.

The square root of 252731336 is about 15897.5260968492. The cubic root of 252731336 is about 632.2463988763.

Adding to 252731336 its reverse (633137252), we get a palindrome (885868588).

The spelling of 252731336 in words is "two hundred fifty-two million, seven hundred thirty-one thousand, three hundred thirty-six".