255610511 has 8 divisors (see below), whose sum is σ = 276156720. Its totient is φ = 235190592.

The previous prime is 255610501. The next prime is 255610529. The reversal of 255610511 is 115016552.

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

It is not a de Polignac number, because 255610511 - 2¹⁸ = 255348367 is a prime.

It is a super-2 number, since 2×255610511² = 130673466667362242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255610501) by changing a digit.

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, 27341 + ... + 35478.

It is an arithmetic number, because the mean of its divisors is an integer number (34519590).

Almost surely, 2^255610511 is an apocalyptic number.

255610511 is a deficient number, since it is larger than the sum of its proper divisors (20546209).

255610511 is a wasteful number, since it uses less digits than its factorization.

255610511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63145.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 255610511 is about 15987.8238356569. The cubic root of 255610511 is about 634.6382389799.

The spelling of 255610511 in words is "two hundred fifty-five million, six hundred ten thousand, five hundred eleven".