229613 has 2 divisors, whose sum is σ = 229614. Its totient is φ = 229612.

The previous prime is 229601. The next prime is 229627. The reversal of 229613 is 316922.

Added to its reverse (316922) it gives a triangular number (546535 = T₁₀₄₅).

229613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178084 + 51529 = 422^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 229613 - 2⁶ = 229549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114806 + 114807.

It is an arithmetic number, because the mean of its divisors is an integer number (114807).

2²²⁹⁶¹³ is an apocalyptic number.

It is an amenable number.

229613 is a deficient number, since it is larger than the sum of its proper divisors (1).

229613 is an equidigital number, since it uses as much as digits as its factorization.

229613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 229613 is about 479.1795070743. The cubic root of 229613 is about 61.2348733991.

Adding to 229613 its reverse (316922), we get a triangular number (546535 = T₁₀₄₅).

The spelling of 229613 in words is "two hundred twenty-nine thousand, six hundred thirteen".