172633 has 2 divisors, whose sum is σ = 172634. Its totient is φ = 172632.

The previous prime is 172619. The next prime is 172643. The reversal of 172633 is 336271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 51529 = 348^2 + 227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172633 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86316 + 86317.

It is an arithmetic number, because the mean of its divisors is an integer number (86317).

2¹⁷²⁶³³ is an apocalyptic number.

It is an amenable number.

172633 is a deficient number, since it is larger than the sum of its proper divisors (1).

172633 is an equidigital number, since it uses as much as digits as its factorization.

172633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 22.

The square root of 172633 is about 415.4912754800. The cubic root of 172633 is about 55.6811170409.

The spelling of 172633 in words is "one hundred seventy-two thousand, six hundred thirty-three".