255585151 has 2 divisors, whose sum is σ = 255585152. Its totient is φ = 255585150.

The previous prime is 255585139. The next prime is 255585179. The reversal of 255585151 is 151585552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255585151 - 2¹⁷ = 255454079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255585151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255585251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127792575 + 127792576.

It is an arithmetic number, because the mean of its divisors is an integer number (127792576).

Almost surely, 2^255585151 is an apocalyptic number.

255585151 is a deficient number, since it is larger than the sum of its proper divisors (1).

255585151 is an equidigital number, since it uses as much as digits as its factorization.

255585151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50000, while the sum is 37.

The square root of 255585151 is about 15987.0307124244. The cubic root of 255585151 is about 634.6172500699.

The spelling of 255585151 in words is "two hundred fifty-five million, five hundred eighty-five thousand, one hundred fifty-one".