249561334 has 8 divisors (see below), whose sum is σ = 408373128. Its totient is φ = 113436960.

The previous prime is 249561311. The next prime is 249561349. The reversal of 249561334 is 433165942.

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

It is a junction number, because it is equal to n+sod(n) for n = 249561293 and 249561302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5671827 + ... + 5671870.

It is an arithmetic number, because the mean of its divisors is an integer number (51046641).

Almost surely, 2^249561334 is an apocalyptic number.

249561334 is a deficient number, since it is larger than the sum of its proper divisors (158811794).

249561334 is a wasteful number, since it uses less digits than its factorization.

249561334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11343710.

The product of its digits is 77760, while the sum is 37.

The square root of 249561334 is about 15797.5103734734. The cubic root of 249561334 is about 629.5918528799.

The spelling of 249561334 in words is "two hundred forty-nine million, five hundred sixty-one thousand, three hundred thirty-four".