6345091 has 2 divisors, whose sum is σ = 6345092. Its totient is φ = 6345090.

The previous prime is 6345067. The next prime is 6345127. The reversal of 6345091 is 1905436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6345091 - 2⁷ = 6344963 is a prime.

It is not a weakly prime, because it can be changed into another prime (6345011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172545 + 3172546.

It is an arithmetic number, because the mean of its divisors is an integer number (3172546).

Almost surely, 2^6345091 is an apocalyptic number.

6345091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6345091 is an equidigital number, since it uses as much as digits as its factorization.

6345091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 6345091 is about 2518.9464067344. The cubic root of 6345091 is about 185.1310588248.

It can be divided in two parts, 63 and 45091, that added together give a palindrome (45154).

The spelling of 6345091 in words is "six million, three hundred forty-five thousand, ninety-one".