173242337 has 2 divisors, whose sum is σ = 173242338. Its totient is φ = 173242336.

The previous prime is 173242301. The next prime is 173242357. The reversal of 173242337 is 733242371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94458961 + 78783376 = 9719^2 + 8876^2 .

It is a cyclic number.

It is not a de Polignac number, because 173242337 - 2¹⁸ = 172980193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (173242357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86621168 + 86621169.

It is an arithmetic number, because the mean of its divisors is an integer number (86621169).

Almost surely, 2^173242337 is an apocalyptic number.

It is an amenable number.

173242337 is a deficient number, since it is larger than the sum of its proper divisors (1).

173242337 is an equidigital number, since it uses as much as digits as its factorization.

173242337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 32.

The square root of 173242337 is about 13162.1554845701. The cubic root of 173242337 is about 557.4655204668.

The spelling of 173242337 in words is "one hundred seventy-three million, two hundred forty-two thousand, three hundred thirty-seven".