282172897 has 2 divisors, whose sum is σ = 282172898. Its totient is φ = 282172896.

The previous prime is 282172889. The next prime is 282172907. The reversal of 282172897 is 798271282.

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., 222636241 + 59536656 = 14921^2 + 7716^2 .

It is a cyclic number.

It is not a de Polignac number, because 282172897 - 2³ = 282172889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (282172867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141086448 + 141086449.

It is an arithmetic number, because the mean of its divisors is an integer number (141086449).

Almost surely, 2^282172897 is an apocalyptic number.

It is an amenable number.

282172897 is a deficient number, since it is larger than the sum of its proper divisors (1).

282172897 is an equidigital number, since it uses as much as digits as its factorization.

282172897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 46.

The square root of 282172897 is about 16798.0027681865. The cubic root of 282172897 is about 655.9012103678.

The spelling of 282172897 in words is "two hundred eighty-two million, one hundred seventy-two thousand, eight hundred ninety-seven".