8516481 has 4 divisors (see below), whose sum is σ = 11355312. Its totient is φ = 5677652.

The previous prime is 8516477. The next prime is 8516483. The reversal of 8516481 is 1846158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8516481 - 2² = 8516477 is a prime.

It is a super-2 number, since 2×8516481² = 145060897246722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8516483) 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, 1419411 + ... + 1419416.

It is an arithmetic number, because the mean of its divisors is an integer number (2838828).

Almost surely, 2^8516481 is an apocalyptic number.

It is an amenable number.

8516481 is a deficient number, since it is larger than the sum of its proper divisors (2838831).

8516481 is a wasteful number, since it uses less digits than its factorization.

8516481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838830.

The product of its digits is 7680, while the sum is 33.

The square root of 8516481 is about 2918.3010468422. The cubic root of 8516481 is about 204.2145714236.

The spelling of 8516481 in words is "eight million, five hundred sixteen thousand, four hundred eighty-one".