82287151 has 4 divisors (see below), whose sum is σ = 82310904. Its totient is φ = 82263400.

The previous prime is 82287143. The next prime is 82287209. The reversal of 82287151 is 15178228.

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 82287151 - 2³ = 82287143 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 (82287131) 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, 5560 + ... + 13981.

It is an arithmetic number, because the mean of its divisors is an integer number (20577726).

Almost surely, 2^82287151 is an apocalyptic number.

82287151 is a deficient number, since it is larger than the sum of its proper divisors (23753).

82287151 is a wasteful number, since it uses less digits than its factorization.

82287151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23752.

The product of its digits is 8960, while the sum is 34.

The square root of 82287151 is about 9071.2265433071. The cubic root of 82287151 is about 434.9546806180.

The spelling of 82287151 in words is "eighty-two million, two hundred eighty-seven thousand, one hundred fifty-one".