249754453 has 12 divisors (see below), whose sum is σ = 272263008. Its totient is φ = 228992400.

The previous prime is 249754441. The next prime is 249754457. The reversal of 249754453 is 354457942.

It is a de Polignac number, because none of the positive numbers 2^k-249754453 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 (249754457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20626 + ... + 30412.

It is an arithmetic number, because the mean of its divisors is an integer number (22688584).

Almost surely, 2^249754453 is an apocalyptic number.

It is an amenable number.

249754453 is a deficient number, since it is larger than the sum of its proper divisors (22508555).

249754453 is a wasteful number, since it uses less digits than its factorization.

249754453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9964 (or 9951 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The square root of 249754453 is about 15803.6215153363. The cubic root of 249754453 is about 629.7542108302.

The spelling of 249754453 in words is "two hundred forty-nine million, seven hundred fifty-four thousand, four hundred fifty-three".