158633 has 2 divisors, whose sum is σ = 158634. Its totient is φ = 158632.

The previous prime is 158621. The next prime is 158647. The reversal of 158633 is 336851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157609 + 1024 = 397^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 158633 - 2⁴ = 158617 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (158663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79316 + 79317.

It is an arithmetic number, because the mean of its divisors is an integer number (79317).

2¹⁵⁸⁶³³ is an apocalyptic number.

It is an amenable number.

158633 is a deficient number, since it is larger than the sum of its proper divisors (1).

158633 is an equidigital number, since it uses as much as digits as its factorization.

158633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 158633 is about 398.2875845416. The cubic root of 158633 is about 54.1333012138.

The spelling of 158633 in words is "one hundred fifty-eight thousand, six hundred thirty-three".