268551 has 12 divisors (see below), whose sum is σ = 395928. Its totient is φ = 175344.

The previous prime is 268547. The next prime is 268573. The reversal of 268551 is 155862.

268551 = T₇₃ + T₇₄ + ... + T₁₂₅.

It is not a de Polignac number, because 268551 - 2² = 268547 is a prime.

268551 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 268551.

It is not an unprimeable number, because it can be changed into a prime (268501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196 + ... + 758.

It is an arithmetic number, because the mean of its divisors is an integer number (32994).

2²⁶⁸⁵⁵¹ is an apocalyptic number.

268551 is a deficient number, since it is larger than the sum of its proper divisors (127377).

268551 is a wasteful number, since it uses less digits than its factorization.

268551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 619 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 268551 is about 518.2190656470. The cubic root of 268551 is about 64.5172119200.

The spelling of 268551 in words is "two hundred sixty-eight thousand, five hundred fifty-one".