249645058 has 8 divisors (see below), whose sum is σ = 403272828. Its totient is φ = 115220784.

The previous prime is 249645049. The next prime is 249645073. The reversal of 249645058 is 850546942.

It can be written as a sum of positive squares in 2 ways, for example, as 248472169 + 1172889 = 15763^2 + 1083^2 .

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

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, 4800841 + ... + 4800892.

Almost surely, 2^249645058 is an apocalyptic number.

249645058 is a deficient number, since it is larger than the sum of its proper divisors (153627770).

249645058 is a wasteful number, since it uses less digits than its factorization.

249645058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9601748.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 249645058 is about 15800.1600624804. The cubic root of 249645058 is about 629.6622511448.

The spelling of 249645058 in words is "two hundred forty-nine million, six hundred forty-five thousand, fifty-eight".