2455239 has 4 divisors (see below), whose sum is σ = 3273656. Its totient is φ = 1636824.

The previous prime is 2455217. The next prime is 2455253. The reversal of 2455239 is 9325542.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2455239 - 2⁵ = 2455207 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409204 + ... + 409209.

It is an arithmetic number, because the mean of its divisors is an integer number (818414).

2^2455239 is an apocalyptic number.

2455239 is a deficient number, since it is larger than the sum of its proper divisors (818417).

2455239 is an equidigital number, since it uses as much as digits as its factorization.

2455239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818416.

The product of its digits is 10800, while the sum is 30.

The square root of 2455239 is about 1566.9202277078. The cubic root of 2455239 is about 134.9059976602.

The spelling of 2455239 in words is "two million, four hundred fifty-five thousand, two hundred thirty-nine".