2551255 has 8 divisors (see below), whose sum is σ = 3498912. Its totient is φ = 1749408.

The previous prime is 2551249. The next prime is 2551273. The reversal of 2551255 is 5521552.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2551255 - 2³ = 2551247 is a prime.

It is a Duffinian number.

2551255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36412 + ... + 36481.

It is an arithmetic number, because the mean of its divisors is an integer number (437364).

2^2551255 is an apocalyptic number.

2551255 is a deficient number, since it is larger than the sum of its proper divisors (947657).

2551255 is an equidigital number, since it uses as much as digits as its factorization.

2551255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72905.

The product of its digits is 2500, while the sum is 25.

The square root of 2551255 is about 1597.2648496727. The cubic root of 2551255 is about 136.6421299066.

The spelling of 2551255 in words is "two million, five hundred fifty-one thousand, two hundred fifty-five".