249179652 has 30 divisors (see below), whose sum is σ = 651405678. Its totient is φ = 83059776.

The previous prime is 249179627. The next prime is 249179653. The reversal of 249179652 is 256971942.

It can be written as a sum of positive squares in only one way, i.e., 135629316 + 113550336 = 11646^2 + 10656^2 .

It is a super-3 number, since 3×249179652³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 249179598 and 249179607.

It is not an unprimeable number, because it can be changed into a prime (249179653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 384213 + ... + 384860.

Almost surely, 2^249179652 is an apocalyptic number.

It is an amenable number.

249179652 is an abundant number, since it is smaller than the sum of its proper divisors (402226026).

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

249179652 is a wasteful number, since it uses less digits than its factorization.

249179652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769089 (or 769078 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 249179652 is about 15785.4253031079. The cubic root of 249179652 is about 629.2707207481.

The spelling of 249179652 in words is "two hundred forty-nine million, one hundred seventy-nine thousand, six hundred fifty-two".