85182151 has 4 divisors (see below), whose sum is σ = 85483432. Its totient is φ = 84880872.

The previous prime is 85182137. The next prime is 85182161. The reversal of 85182151 is 15128158.

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 85182151 - 2⁷ = 85182023 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 (85182101) 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, 150216 + ... + 150781.

It is an arithmetic number, because the mean of its divisors is an integer number (21370858).

Almost surely, 2^85182151 is an apocalyptic number.

85182151 is a deficient number, since it is larger than the sum of its proper divisors (301281).

85182151 is a wasteful number, since it uses less digits than its factorization.

85182151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301280.

The product of its digits is 3200, while the sum is 31.

The square root of 85182151 is about 9229.4176956079. The cubic root of 85182151 is about 439.9968164370.

The spelling of 85182151 in words is "eighty-five million, one hundred eighty-two thousand, one hundred fifty-one".