249053245 has 8 divisors (see below), whose sum is σ = 341558784. Its totient is φ = 170779344.

The previous prime is 249053237. The next prime is 249053257. The reversal of 249053245 is 542350942.

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 249053245 - 2³ = 249053237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249053245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557869 + ... + 3557938.

It is an arithmetic number, because the mean of its divisors is an integer number (42694848).

Almost surely, 2^249053245 is an apocalyptic number.

It is an amenable number.

249053245 is a deficient number, since it is larger than the sum of its proper divisors (92505539).

249053245 is an equidigital number, since it uses as much as digits as its factorization.

249053245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7115819.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 249053245 is about 15781.4208802630. The cubic root of 249053245 is about 629.1642946175.

The spelling of 249053245 in words is "two hundred forty-nine million, fifty-three thousand, two hundred forty-five".