5205491 has 2 divisors, whose sum is σ = 5205492. Its totient is φ = 5205490.

The previous prime is 5205481. The next prime is 5205523. The reversal of 5205491 is 1945025.

5205491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5205491 - 2¹⁰ = 5204467 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 5205491.

It is not a weakly prime, because it can be changed into another prime (5205461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602745 + 2602746.

It is an arithmetic number, because the mean of its divisors is an integer number (2602746).

Almost surely, 2^5205491 is an apocalyptic number.

5205491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205491 is an equidigital number, since it uses as much as digits as its factorization.

5205491 is an evil number, because the sum of its binary digits is even.

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

The square root of 5205491 is about 2281.5545139225. The cubic root of 5205491 is about 173.3087806281.

The spelling of 5205491 in words is "five million, two hundred five thousand, four hundred ninety-one".