255055405 has 8 divisors (see below), whose sum is σ = 333890784. Its totient is φ = 185494800.

The previous prime is 255055397. The next prime is 255055421. The reversal of 255055405 is 504550552.

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

It is not a de Polignac number, because 255055405 - 2³ = 255055397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2318631 + ... + 2318740.

It is an arithmetic number, because the mean of its divisors is an integer number (41736348).

Almost surely, 2^255055405 is an apocalyptic number.

It is an amenable number.

255055405 is a deficient number, since it is larger than the sum of its proper divisors (78835379).

255055405 is a wasteful number, since it uses less digits than its factorization.

255055405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637387.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 255055405 is about 15970.4541262921. The cubic root of 255055405 is about 634.1784941605.

The spelling of 255055405 in words is "two hundred fifty-five million, fifty-five thousand, four hundred five".