249453 has 8 divisors (see below), whose sum is σ = 369600. Its totient is φ = 166284.

The previous prime is 249449. The next prime is 249463. The reversal of 249453 is 354942.

It is not a de Polignac number, because 249453 - 2² = 249449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 9239 = 249453 / (2 + 4 + 9 + 4 + 5 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249433) 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, 4593 + ... + 4646.

It is an arithmetic number, because the mean of its divisors is an integer number (46200).

2²⁴⁹⁴⁵³ is an apocalyptic number.

It is an amenable number.

249453 is a deficient number, since it is larger than the sum of its proper divisors (120147).

249453 is an equidigital number, since it uses as much as digits as its factorization.

249453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248 (or 9242 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 249453 is about 499.4527004632. The cubic root of 249453 is about 62.9500738237.

It can be divided in two parts, 2 and 49453, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 249453 in words is "two hundred forty-nine thousand, four hundred fifty-three".