254288655 has 12 divisors (see below), whose sum is σ = 440767080. Its totient is φ = 135620592.

The previous prime is 254288641. The next prime is 254288663. The reversal of 254288655 is 556882452.

It is a happy number.

It is not a de Polignac number, because 254288655 - 2⁵ = 254288623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 5650859 = 254288655 / (2 + 5 + 4 + 2 + 8 + 8 + 6 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 254288655.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2825385 + ... + 2825474.

It is an arithmetic number, because the mean of its divisors is an integer number (36730590).

Almost surely, 2^254288655 is an apocalyptic number.

254288655 is a deficient number, since it is larger than the sum of its proper divisors (186478425).

254288655 is a wasteful number, since it uses less digits than its factorization.

254288655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5650870 (or 5650867 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 254288655 is about 15946.4307918731. The cubic root of 254288655 is about 633.5423651350.

The spelling of 254288655 in words is "two hundred fifty-four million, two hundred eighty-eight thousand, six hundred fifty-five".