36056591 has 2 divisors, whose sum is σ = 36056592. Its totient is φ = 36056590.

The previous prime is 36056563. The next prime is 36056593. The reversal of 36056591 is 19565063.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36056591 is a prime.

It is a Sophie Germain prime.

Together with 36056593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36056593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18028295 + 18028296.

It is an arithmetic number, because the mean of its divisors is an integer number (18028296).

Almost surely, 2^36056591 is an apocalyptic number.

36056591 is a deficient number, since it is larger than the sum of its proper divisors (1).

36056591 is an equidigital number, since it uses as much as digits as its factorization.

36056591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 36056591 is about 6004.7140647994. The cubic root of 36056591 is about 330.3656522393.

The spelling of 36056591 in words is "thirty-six million, fifty-six thousand, five hundred ninety-one".