213248591 has 2 divisors, whose sum is σ = 213248592. Its totient is φ = 213248590.

The previous prime is 213248579. The next prime is 213248611. The reversal of 213248591 is 195842312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213248591 - 2²⁶ = 146139727 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 (213248531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106624295 + 106624296.

It is an arithmetic number, because the mean of its divisors is an integer number (106624296).

Almost surely, 2^213248591 is an apocalyptic number.

213248591 is a deficient number, since it is larger than the sum of its proper divisors (1).

213248591 is an equidigital number, since it uses as much as digits as its factorization.

213248591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 213248591 is about 14603.0336231894. The cubic root of 213248591 is about 597.4415047513.

The spelling of 213248591 in words is "two hundred thirteen million, two hundred forty-eight thousand, five hundred ninety-one".