249601253 has 8 divisors (see below), whose sum is σ = 272528256. Its totient is φ = 226713600.

The previous prime is 249601249. The next prime is 249601277. The reversal of 249601253 is 352106942.

It is a happy number.

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 249601253 - 2² = 249601249 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249601453) 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, 4325 + ... + 22757.

It is an arithmetic number, because the mean of its divisors is an integer number (34066032).

Almost surely, 2^249601253 is an apocalyptic number.

It is an amenable number.

249601253 is a deficient number, since it is larger than the sum of its proper divisors (22927003).

249601253 is a wasteful number, since it uses less digits than its factorization.

249601253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19675.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 249601253 is about 15798.7737815313. The cubic root of 249601253 is about 629.6254202290.

The spelling of 249601253 in words is "two hundred forty-nine million, six hundred one thousand, two hundred fifty-three".