214581589 has 2 divisors, whose sum is σ = 214581590. Its totient is φ = 214581588.

The previous prime is 214581551. The next prime is 214581607. The reversal of 214581589 is 985185412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185776900 + 28804689 = 13630^2 + 5367^2 .

It is a cyclic number.

It is not a de Polignac number, because 214581589 - 2²³ = 206192981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214581509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107290794 + 107290795.

It is an arithmetic number, because the mean of its divisors is an integer number (107290795).

Almost surely, 2^214581589 is an apocalyptic number.

It is an amenable number.

214581589 is a deficient number, since it is larger than the sum of its proper divisors (1).

214581589 is an equidigital number, since it uses as much as digits as its factorization.

214581589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 43.

The square root of 214581589 is about 14648.6036535910. The cubic root of 214581589 is about 598.6837711623.

The spelling of 214581589 in words is "two hundred fourteen million, five hundred eighty-one thousand, five hundred eighty-nine".