8205151 has 4 divisors (see below), whose sum is σ = 8213752. Its totient is φ = 8196552.

The previous prime is 8205143. The next prime is 8205163. The reversal of 8205151 is 1515028.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8205151 - 2³ = 8205143 is a prime.

It is an Ulam number.

It is a Duffinian number.

8205151 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8205121) 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, 2661 + ... + 4846.

It is an arithmetic number, because the mean of its divisors is an integer number (2053438).

Almost surely, 2^8205151 is an apocalyptic number.

8205151 is a deficient number, since it is larger than the sum of its proper divisors (8601).

8205151 is a wasteful number, since it uses less digits than its factorization.

8205151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8600.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 8205151 is about 2864.4634750682. The cubic root of 8205151 is about 201.6951828476.

The spelling of 8205151 in words is "eight million, two hundred five thousand, one hundred fifty-one".