287151 has 4 divisors (see below), whose sum is σ = 382872. Its totient is φ = 191432.

The previous prime is 287149. The next prime is 287159. The reversal of 287151 is 151782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 287151 - 2¹ = 287149 is a prime.

It is a D-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 287151.

It is not an unprimeable number, because it can be changed into a prime (287159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47856 + ... + 47861.

It is an arithmetic number, because the mean of its divisors is an integer number (95718).

2²⁸⁷¹⁵¹ is an apocalyptic number.

287151 is a deficient number, since it is larger than the sum of its proper divisors (95721).

287151 is an equidigital number, since it uses as much as digits as its factorization.

287151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95720.

The product of its digits is 560, while the sum is 24.

The square root of 287151 is about 535.8647217349. The cubic root of 287151 is about 65.9735890654.

It can be divided in two parts, 2 and 87151, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 287151 in words is "two hundred eighty-seven thousand, one hundred fifty-one".