249885453 has 8 divisors (see below), whose sum is σ = 337398400. Its totient is φ = 164481408.

The previous prime is 249885421. The next prime is 249885479. The reversal of 249885453 is 354588942.

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

It is not a de Polignac number, because 249885453 - 2⁵ = 249885421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249885353) 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, 526948 + ... + 527421.

It is an arithmetic number, because the mean of its divisors is an integer number (42174800).

Almost surely, 2^249885453 is an apocalyptic number.

It is an amenable number.

249885453 is a deficient number, since it is larger than the sum of its proper divisors (87512947).

249885453 is a wasteful number, since it uses less digits than its factorization.

249885453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054451.

The product of its digits is 1382400, while the sum is 48.

The square root of 249885453 is about 15807.7655916325. The cubic root of 249885453 is about 629.8642967981.

The spelling of 249885453 in words is "two hundred forty-nine million, eight hundred eighty-five thousand, four hundred fifty-three".