8152281 has 12 divisors (see below), whose sum is σ = 12287808. Its totient is φ = 5198424.

The previous prime is 8152267. The next prime is 8152283. The reversal of 8152281 is 1822518.

It is not a de Polignac number, because 8152281 - 2⁶ = 8152217 is a prime.

It is a super-2 number, since 2×8152281² = 132919371005922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8152283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19485 + ... + 19898.

It is an arithmetic number, because the mean of its divisors is an integer number (1023984).

Almost surely, 2^8152281 is an apocalyptic number.

It is an amenable number.

8152281 is a deficient number, since it is larger than the sum of its proper divisors (4135527).

8152281 is a wasteful number, since it uses less digits than its factorization.

8152281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39412 (or 39409 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 8152281 is about 2855.2199565007. The cubic root of 8152281 is about 201.2610405064.

Adding to 8152281 its reverse (1822518), we get a palindrome (9974799).

The spelling of 8152281 in words is "eight million, one hundred fifty-two thousand, two hundred eighty-one".