6409003 has 2 divisors, whose sum is σ = 6409004. Its totient is φ = 6409002.

The previous prime is 6408991. The next prime is 6409009. The reversal of 6409003 is 3009046.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6409003 is a prime.

It is an Ulam number.

6409003 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6409009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204501 + 3204502.

It is an arithmetic number, because the mean of its divisors is an integer number (3204502).

Almost surely, 2^6409003 is an apocalyptic number.

6409003 is a deficient number, since it is larger than the sum of its proper divisors (1).

6409003 is an equidigital number, since it uses as much as digits as its factorization.

6409003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 6409003 is about 2531.6008769156. The cubic root of 6409003 is about 185.7505713545.

The spelling of 6409003 in words is "six million, four hundred nine thousand, three".