10219591 has 2 divisors, whose sum is σ = 10219592. Its totient is φ = 10219590.

The previous prime is 10219507. The next prime is 10219597. The reversal of 10219591 is 19591201.

10219591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10219591 - 2¹⁵ = 10186823 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 (10219597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5109795 + 5109796.

It is an arithmetic number, because the mean of its divisors is an integer number (5109796).

Almost surely, 2^10219591 is an apocalyptic number.

10219591 is a deficient number, since it is larger than the sum of its proper divisors (1).

10219591 is an equidigital number, since it uses as much as digits as its factorization.

10219591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 10219591 is about 3196.8095032391. The cubic root of 10219591 is about 217.0090463217.

The spelling of 10219591 in words is "ten million, two hundred nineteen thousand, five hundred ninety-one".