172232449 has 2 divisors, whose sum is σ = 172232450. Its totient is φ = 172232448.

The previous prime is 172232383. The next prime is 172232461. The reversal of 172232449 is 944232271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171479025 + 753424 = 13095^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 172232449 - 2¹³ = 172224257 is a prime.

It is not a weakly prime, because it can be changed into another prime (172212449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86116224 + 86116225.

It is an arithmetic number, because the mean of its divisors is an integer number (86116225).

Almost surely, 2^172232449 is an apocalyptic number.

It is an amenable number.

172232449 is a deficient number, since it is larger than the sum of its proper divisors (1).

172232449 is an equidigital number, since it uses as much as digits as its factorization.

172232449 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 172232449 is about 13123.7360915252. The cubic root of 172232449 is about 556.3801906433.

The spelling of 172232449 in words is "one hundred seventy-two million, two hundred thirty-two thousand, four hundred forty-nine".