268151 has 4 divisors (see below), whose sum is σ = 288792. Its totient is φ = 247512.

The previous prime is 268133. The next prime is 268153. The reversal of 268151 is 151862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151862 = 2 ⋅75931.

It is a cyclic number.

It is not a de Polignac number, because 268151 - 2¹⁸ = 6007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10301 + ... + 10326.

It is an arithmetic number, because the mean of its divisors is an integer number (72198).

2²⁶⁸¹⁵¹ is an apocalyptic number.

268151 is a deficient number, since it is larger than the sum of its proper divisors (20641).

268151 is a wasteful number, since it uses less digits than its factorization.

268151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20640.

The product of its digits is 480, while the sum is 23.

The square root of 268151 is about 517.8329846582. The cubic root of 268151 is about 64.4851637451.

The spelling of 268151 in words is "two hundred sixty-eight thousand, one hundred fifty-one".