158365213 has 2 divisors, whose sum is σ = 158365214. Its totient is φ = 158365212.

The previous prime is 158365177. The next prime is 158365223. The reversal of 158365213 is 312563851.

158365213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139546969 + 18818244 = 11813^2 + 4338^2 .

It is a cyclic number.

It is not a de Polignac number, because 158365213 - 2²¹ = 156268061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158365223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79182606 + 79182607.

It is an arithmetic number, because the mean of its divisors is an integer number (79182607).

Almost surely, 2^158365213 is an apocalyptic number.

It is an amenable number.

158365213 is a deficient number, since it is larger than the sum of its proper divisors (1).

158365213 is an equidigital number, since it uses as much as digits as its factorization.

158365213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 158365213 is about 12584.3240978608. The cubic root of 158365213 is about 541.0282340457.

The spelling of 158365213 in words is "one hundred fifty-eight million, three hundred sixty-five thousand, two hundred thirteen".