52004591 has 2 divisors, whose sum is σ = 52004592. Its totient is φ = 52004590.

The previous prime is 52004509. The next prime is 52004609. The reversal of 52004591 is 19540025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52004591 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52004591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52004191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26002295 + 26002296.

It is an arithmetic number, because the mean of its divisors is an integer number (26002296).

Almost surely, 2^52004591 is an apocalyptic number.

52004591 is a deficient number, since it is larger than the sum of its proper divisors (1).

52004591 is an equidigital number, since it uses as much as digits as its factorization.

52004591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 52004591 is about 7211.4208724772. The cubic root of 52004591 is about 373.2620999474.

The spelling of 52004591 in words is "fifty-two million, four thousand, five hundred ninety-one".