255989151 has 48 divisors (see below), whose sum is σ = 415134720. Its totient is φ = 150696000.

The previous prime is 255989143. The next prime is 255989159. The reversal of 255989151 is 151989552.

255989151 is a `hidden beast` number, since 2 + 5 + 598 + 9 + 1 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (255989143) and next prime (255989159).

It is not a de Polignac number, because 255989151 - 2³ = 255989143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255989097 and 255989106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255989159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 555061 + ... + 555521.

It is an arithmetic number, because the mean of its divisors is an integer number (8648640).

Almost surely, 2^255989151 is an apocalyptic number.

255989151 is a deficient number, since it is larger than the sum of its proper divisors (159145569).

255989151 is a wasteful number, since it uses less digits than its factorization.

255989151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 625 counting only the distinct ones).

The product of its digits is 162000, while the sum is 45.

The square root of 255989151 is about 15999.6609651580. The cubic root of 255989151 is about 634.9514510179.

The spelling of 255989151 in words is "two hundred fifty-five million, nine hundred eighty-nine thousand, one hundred fifty-one".