249090713 has 8 divisors (see below), whose sum is σ = 263212800. Its totient is φ = 235243008.

The previous prime is 249090691. The next prime is 249090731. The reversal of 249090713 is 317090942.

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 249090713 - 2¹⁰ = 249089689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249090113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66728 + ... + 70361.

It is an arithmetic number, because the mean of its divisors is an integer number (32901600).

Almost surely, 2^249090713 is an apocalyptic number.

249090713 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

249090713 is a deficient number, since it is larger than the sum of its proper divisors (14122087).

249090713 is a wasteful number, since it uses less digits than its factorization.

249090713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137191.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 249090713 is about 15782.6079277159. The cubic root of 249090713 is about 629.1958438896.

The spelling of 249090713 in words is "two hundred forty-nine million, ninety thousand, seven hundred thirteen".