255151505 has 8 divisors (see below), whose sum is σ = 349922112. Its totient is φ = 174961008.

The previous prime is 255151469. The next prime is 255151531. The reversal of 255151505 is 505151552.

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 255151505 - 2⁶ = 255151441 is a prime.

It is a Duffinian 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, 3644987 + ... + 3645056.

It is an arithmetic number, because the mean of its divisors is an integer number (43740264).

Almost surely, 2^255151505 is an apocalyptic number.

It is an amenable number.

255151505 is a deficient number, since it is larger than the sum of its proper divisors (94770607).

255151505 is an equidigital number, since it uses as much as digits as its factorization.

255151505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290055.

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 255151505 is about 15973.4625238237. The cubic root of 255151505 is about 634.2581329363.

It can be divided in two parts, 25 and 5151505, that multiplied together give a cube (128787625 = 505³).

The spelling of 255151505 in words is "two hundred fifty-five million, one hundred fifty-one thousand, five hundred five".