87151 has 2 divisors, whose sum is σ = 87152. Its totient is φ = 87150.

The previous prime is 87149. The next prime is 87179. The reversal of 87151 is 15178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87151 - 2¹ = 87149 is a prime.

Together with 87149, it forms a pair of twin primes.

87151 is a lucky number.

It is equal to p₈₄₆₄ and since 87151 and 8464 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43575 + 43576.

It is an arithmetic number, because the mean of its divisors is an integer number (43576).

2⁸⁷¹⁵¹ is an apocalyptic number.

87151 is a deficient number, since it is larger than the sum of its proper divisors (1).

87151 is an equidigital number, since it uses as much as digits as its factorization.

87151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280, while the sum is 22.

The square root of 87151 is about 295.2134820770. The cubic root of 87151 is about 44.3360969628.

The spelling of 87151 in words is "eighty-seven thousand, one hundred fifty-one".