40600591 has 2 divisors, whose sum is σ = 40600592. Its totient is φ = 40600590.

The previous prime is 40600583. The next prime is 40600613. The reversal of 40600591 is 19500604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40600591 - 2³ = 40600583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40600541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20300295 + 20300296.

It is an arithmetic number, because the mean of its divisors is an integer number (20300296).

Almost surely, 2^40600591 is an apocalyptic number.

40600591 is a deficient number, since it is larger than the sum of its proper divisors (1).

40600591 is an equidigital number, since it uses as much as digits as its factorization.

40600591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 40600591 is about 6371.8593047869. The cubic root of 40600591 is about 343.6983536293.

The spelling of 40600591 in words is "forty million, six hundred thousand, five hundred ninety-one".