172682233 has 2 divisors, whose sum is σ = 172682234. Its totient is φ = 172682232.

The previous prime is 172682221. The next prime is 172682267. The reversal of 172682233 is 332286271.

It is an a-pointer prime, because the next prime (172682267) can be obtained adding 172682233 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150479289 + 22202944 = 12267^2 + 4712^2 .

It is a cyclic number.

It is not a de Polignac number, because 172682233 - 2¹⁷ = 172551161 is a prime.

It is not a weakly prime, because it can be changed into another prime (172682273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86341116 + 86341117.

It is an arithmetic number, because the mean of its divisors is an integer number (86341117).

Almost surely, 2^172682233 is an apocalyptic number.

It is an amenable number.

172682233 is a deficient number, since it is larger than the sum of its proper divisors (1).

172682233 is an equidigital number, since it uses as much as digits as its factorization.

172682233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 172682233 is about 13140.8611970449. The cubic root of 172682233 is about 556.8640974830.

The spelling of 172682233 in words is "one hundred seventy-two million, six hundred eighty-two thousand, two hundred thirty-three".