8664451 has 2 divisors, whose sum is σ = 8664452. Its totient is φ = 8664450.

The previous prime is 8664433. The next prime is 8664473. The reversal of 8664451 is 1544668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8664451 - 2⁵ = 8664419 is a prime.

It is a super-2 number, since 2×8664451² = 150145422262802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8664421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4332225 + 4332226.

It is an arithmetic number, because the mean of its divisors is an integer number (4332226).

Almost surely, 2^8664451 is an apocalyptic number.

8664451 is a deficient number, since it is larger than the sum of its proper divisors (1).

8664451 is an equidigital number, since it uses as much as digits as its factorization.

8664451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 8664451 is about 2943.5439524492. The cubic root of 8664451 is about 205.3904989842.

The spelling of 8664451 in words is "eight million, six hundred sixty-four thousand, four hundred fifty-one".