6240691 has 2 divisors, whose sum is σ = 6240692. Its totient is φ = 6240690.

The previous prime is 6240671. The next prime is 6240701. The reversal of 6240691 is 1960426.

6240691 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6240691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6240631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120345 + 3120346.

It is an arithmetic number, because the mean of its divisors is an integer number (3120346).

Almost surely, 2^6240691 is an apocalyptic number.

6240691 is a deficient number, since it is larger than the sum of its proper divisors (1).

6240691 is an equidigital number, since it uses as much as digits as its factorization.

6240691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 6240691 is about 2498.1375062234. The cubic root of 6240691 is about 184.1100770922.

The spelling of 6240691 in words is "six million, two hundred forty thousand, six hundred ninety-one".