249313655 has 8 divisors (see below), whose sum is σ = 299261952. Its totient is φ = 199393888.

The previous prime is 249313621. The next prime is 249313679. The reversal of 249313655 is 556313942.

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

It is a cyclic number.

It is not a de Polignac number, because 249313655 - 2¹⁶ = 249248119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26657 + ... + 34773.

It is an arithmetic number, because the mean of its divisors is an integer number (37407744).

Almost surely, 2^249313655 is an apocalyptic number.

249313655 is a deficient number, since it is larger than the sum of its proper divisors (49948297).

249313655 is an equidigital number, since it uses as much as digits as its factorization.

249313655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14265.

The product of its digits is 97200, while the sum is 38.

The square root of 249313655 is about 15789.6692492275. The cubic root of 249313655 is about 629.3835029013.

The spelling of 249313655 in words is "two hundred forty-nine million, three hundred thirteen thousand, six hundred fifty-five".