2455249 has 4 divisors (see below), whose sum is σ = 2458864. Its totient is φ = 2451636.

The previous prime is 2455217. The next prime is 2455253. The reversal of 2455249 is 9425542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2455249 - 2⁵ = 2455217 is a prime.

It is a Duffinian number.

2455249 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2455249.

It is not an unprimeable number, because it can be changed into a prime (2455279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447 + ... + 2260.

It is an arithmetic number, because the mean of its divisors is an integer number (614716).

2^2455249 is an apocalyptic number.

It is an amenable number.

2455249 is a deficient number, since it is larger than the sum of its proper divisors (3615).

2455249 is an equidigital number, since it uses as much as digits as its factorization.

2455249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614.

The product of its digits is 14400, while the sum is 31.

The square root of 2455249 is about 1566.9234186775. The cubic root of 2455249 is about 134.9061808139.

It can be divided in two parts, 2455 and 249, that added together give a square (2704 = 52²).

The spelling of 2455249 in words is "two million, four hundred fifty-five thousand, two hundred forty-nine".