6315091 has 2 divisors, whose sum is σ = 6315092. Its totient is φ = 6315090.

The previous prime is 6315083. The next prime is 6315121. The reversal of 6315091 is 1905136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6315091 - 2³ = 6315083 is a prime.

It is not a weakly prime, because it can be changed into another prime (6315031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157545 + 3157546.

It is an arithmetic number, because the mean of its divisors is an integer number (3157546).

Almost surely, 2^6315091 is an apocalyptic number.

6315091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6315091 is an equidigital number, since it uses as much as digits as its factorization.

6315091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 6315091 is about 2512.9844806524. The cubic root of 6315091 is about 184.8388272427.

The spelling of 6315091 in words is "six million, three hundred fifteen thousand, ninety-one".