2451255 has 8 divisors (see below), whose sum is σ = 3922032. Its totient is φ = 1307328.

The previous prime is 2451233. The next prime is 2451257. The reversal of 2451255 is 5521542.

It is a happy number.

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

It is not a de Polignac number, because 2451255 - 2⁵ = 2451223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451257) 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 7 ways as a sum of consecutive naturals, for example, 81694 + ... + 81723.

It is an arithmetic number, because the mean of its divisors is an integer number (490254).

2^2451255 is an apocalyptic number.

2451255 is a deficient number, since it is larger than the sum of its proper divisors (1470777).

2451255 is a wasteful number, since it uses less digits than its factorization.

2451255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163425.

The product of its digits is 2000, while the sum is 24.

The square root of 2451255 is about 1565.6484279684. The cubic root of 2451255 is about 134.8329896335.

Adding to 2451255 its reverse (5521542), we get a palindrome (7972797).

The spelling of 2451255 in words is "two million, four hundred fifty-one thousand, two hundred fifty-five".