8452681 has 2 divisors, whose sum is σ = 8452682. Its totient is φ = 8452680.

The previous prime is 8452667. The next prime is 8452693. The reversal of 8452681 is 1862548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 4080400 = 2091^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 8452681 - 2⁵ = 8452649 is a prime.

It is a super-2 number, since 2×8452681² = 142895632175522, which contains 22 as substring.

8452681 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8452481) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4226340 + 4226341.

It is an arithmetic number, because the mean of its divisors is an integer number (4226341).

Almost surely, 2^8452681 is an apocalyptic number.

It is an amenable number.

8452681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8452681 is an equidigital number, since it uses as much as digits as its factorization.

8452681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 34.

The square root of 8452681 is about 2907.3494801967. The cubic root of 8452681 is about 203.7033446062.

The spelling of 8452681 in words is "eight million, four hundred fifty-two thousand, six hundred eighty-one".