6454009 has 2 divisors, whose sum is σ = 6454010. Its totient is φ = 6454008.

The previous prime is 6453989. The next prime is 6454031. The reversal of 6454009 is 9004546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6175225 + 278784 = 2485^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 6454009 - 2⁹ = 6453497 is a prime.

It is a Chen prime.

6454009 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6454039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227004 + 3227005.

It is an arithmetic number, because the mean of its divisors is an integer number (3227005).

Almost surely, 2^6454009 is an apocalyptic number.

It is an amenable number.

6454009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6454009 is an equidigital number, since it uses as much as digits as its factorization.

6454009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6454009 is about 2540.4741683394. The cubic root of 6454009 is about 186.1843568499.

The spelling of 6454009 in words is "six million, four hundred fifty-four thousand, nine".