151871 has 2 divisors, whose sum is σ = 151872. Its totient is φ = 151870.

The previous prime is 151849. The next prime is 151883. The reversal of 151871 is 178151.

It is a strong prime.

It is an emirp because it is prime and its reverse (178151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151871 - 2¹⁰ = 150847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75935 + 75936.

It is an arithmetic number, because the mean of its divisors is an integer number (75936).

2¹⁵¹⁸⁷¹ is an apocalyptic number.

151871 is a deficient number, since it is larger than the sum of its proper divisors (1).

151871 is an equidigital number, since it uses as much as digits as its factorization.

151871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280, while the sum is 23.

The square root of 151871 is about 389.7062996668. The cubic root of 151871 is about 53.3529311658.

The spelling of 151871 in words is "one hundred fifty-one thousand, eight hundred seventy-one".