6958591 has 2 divisors, whose sum is σ = 6958592. Its totient is φ = 6958590.

The previous prime is 6958573. The next prime is 6958619. The reversal of 6958591 is 1958596.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6958591 - 2¹⁷ = 6827519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6958571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3479295 + 3479296.

It is an arithmetic number, because the mean of its divisors is an integer number (3479296).

Almost surely, 2^6958591 is an apocalyptic number.

6958591 is a deficient number, since it is larger than the sum of its proper divisors (1).

6958591 is an equidigital number, since it uses as much as digits as its factorization.

6958591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 43.

The square root of 6958591 is about 2637.9141381023. The cubic root of 6958591 is about 190.9151693316.

The spelling of 6958591 in words is "six million, nine hundred fifty-eight thousand, five hundred ninety-one".