172044533 has 2 divisors, whose sum is σ = 172044534. Its totient is φ = 172044532.

The previous prime is 172044517. The next prime is 172044553. The reversal of 172044533 is 335440271.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161849284 + 10195249 = 12722^2 + 3193^2 .

It is a cyclic number.

It is not a de Polignac number, because 172044533 - 2⁴ = 172044517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172044496 and 172044505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172044553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86022266 + 86022267.

It is an arithmetic number, because the mean of its divisors is an integer number (86022267).

Almost surely, 2^172044533 is an apocalyptic number.

It is an amenable number.

172044533 is a deficient number, since it is larger than the sum of its proper divisors (1).

172044533 is an equidigital number, since it uses as much as digits as its factorization.

172044533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 172044533 is about 13116.5747434305. The cubic root of 172044533 is about 556.1777688812.

The spelling of 172044533 in words is "one hundred seventy-two million, forty-four thousand, five hundred thirty-three".