605672591 has 2 divisors, whose sum is σ = 605672592. Its totient is φ = 605672590.

The previous prime is 605672581. The next prime is 605672657. The reversal of 605672591 is 195276506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605672591 - 2⁶ = 605672527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605672521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302836295 + 302836296.

It is an arithmetic number, because the mean of its divisors is an integer number (302836296).

Almost surely, 2^605672591 is an apocalyptic number.

605672591 is a deficient number, since it is larger than the sum of its proper divisors (1).

605672591 is an equidigital number, since it uses as much as digits as its factorization.

605672591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 605672591 is about 24610.4163109851. The cubic root of 605672591 is about 846.0823593828.

The spelling of 605672591 in words is "six hundred five million, six hundred seventy-two thousand, five hundred ninety-one".