6414581 has 2 divisors, whose sum is σ = 6414582. Its totient is φ = 6414580.

The previous prime is 6414557. The next prime is 6414587. The reversal of 6414581 is 1854146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4268356 + 2146225 = 2066^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 6414581 - 2²² = 2220277 is a prime.

It is a super-2 number, since 2×6414581² = 82293698811122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6414587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3207290 + 3207291.

It is an arithmetic number, because the mean of its divisors is an integer number (3207291).

Almost surely, 2^6414581 is an apocalyptic number.

It is an amenable number.

6414581 is a deficient number, since it is larger than the sum of its proper divisors (1).

6414581 is an equidigital number, since it uses as much as digits as its factorization.

6414581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 6414581 is about 2532.7023117611. The cubic root of 6414581 is about 185.8044443330.

The spelling of 6414581 in words is "six million, four hundred fourteen thousand, five hundred eighty-one".