249561332 has 12 divisors (see below), whose sum is σ = 443251200. Its totient is φ = 122918136.

The previous prime is 249561311. The next prime is 249561349. The reversal of 249561332 is 233165942.

249561332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×249561332² = 124561716859228448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 249561292 and 249561301.

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 3 ways as a sum of consecutive naturals, for example, 465332 + ... + 465867.

It is an arithmetic number, because the mean of its divisors is an integer number (36937600).

Almost surely, 2^249561332 is an apocalyptic number.

It is an amenable number.

249561332 is a deficient number, since it is larger than the sum of its proper divisors (193689868).

249561332 is a wasteful number, since it uses less digits than its factorization.

249561332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931270 (or 931268 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 249561332 is about 15797.5103101723. The cubic root of 249561332 is about 629.5918511980.

The spelling of 249561332 in words is "two hundred forty-nine million, five hundred sixty-one thousand, three hundred thirty-two".