5685451 has 2 divisors, whose sum is σ = 5685452. Its totient is φ = 5685450.

The previous prime is 5685413. The next prime is 5685481. The reversal of 5685451 is 1545865.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5685451 - 2¹⁵ = 5652683 is a prime.

It is not a weakly prime, because it can be changed into another prime (5685481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842725 + 2842726.

It is an arithmetic number, because the mean of its divisors is an integer number (2842726).

Almost surely, 2^5685451 is an apocalyptic number.

5685451 is a deficient number, since it is larger than the sum of its proper divisors (1).

5685451 is an equidigital number, since it uses as much as digits as its factorization.

5685451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 34.

The square root of 5685451 is about 2384.4183777181. The cubic root of 5685451 is about 178.4794861700.

The spelling of 5685451 in words is "five million, six hundred eighty-five thousand, four hundred fifty-one".