249772752 has 30 divisors (see below), whose sum is σ = 699017202. Its totient is φ = 83257536.

The previous prime is 249772741. The next prime is 249772753. The reversal of 249772752 is 257277942.

It can be written as a sum of positive squares in only one way, i.e., 242611776 + 7160976 = 15576^2 + 2676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 249772698 and 249772707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249772753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867123 + ... + 867410.

Almost surely, 2^249772752 is an apocalyptic number.

It is an amenable number.

249772752 is an abundant number, since it is smaller than the sum of its proper divisors (449244450).

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

249772752 is a wasteful number, since it uses less digits than its factorization.

249772752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734547 (or 1734538 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 249772752 is about 15804.2004543096. The cubic root of 249772752 is about 629.7695907240.

The spelling of 249772752 in words is "two hundred forty-nine million, seven hundred seventy-two thousand, seven hundred fifty-two".