289162213 has 2 divisors, whose sum is σ = 289162214. Its totient is φ = 289162212.

The previous prime is 289162177. The next prime is 289162249. The reversal of 289162213 is 312261982.

It is a balanced prime because it is at equal distance from previous prime (289162177) and next prime (289162249).

It can be written as a sum of positive squares in only one way, i.e., 210627169 + 78535044 = 14513^2 + 8862^2 .

It is a cyclic number.

It is not a de Polignac number, because 289162213 - 2⁹ = 289161701 is a prime.

It is a super-2 number, since 2×289162213² = 167229570854114738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289162253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144581106 + 144581107.

It is an arithmetic number, because the mean of its divisors is an integer number (144581107).

Almost surely, 2^289162213 is an apocalyptic number.

It is an amenable number.

289162213 is a deficient number, since it is larger than the sum of its proper divisors (1).

289162213 is an equidigital number, since it uses as much as digits as its factorization.

289162213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 289162213 is about 17004.7703013008. The cubic root of 289162213 is about 661.2725776099.

The spelling of 289162213 in words is "two hundred eighty-nine million, one hundred sixty-two thousand, two hundred thirteen".