239873201 has 2 divisors, whose sum is σ = 239873202. Its totient is φ = 239873200.

The previous prime is 239873191. The next prime is 239873209. The reversal of 239873201 is 102378932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155251600 + 84621601 = 12460^2 + 9199^2 .

It is a cyclic number.

It is not a de Polignac number, because 239873201 - 2²⁶ = 172764337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (239873209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119936600 + 119936601.

It is an arithmetic number, because the mean of its divisors is an integer number (119936601).

Almost surely, 2^239873201 is an apocalyptic number.

It is an amenable number.

239873201 is a deficient number, since it is larger than the sum of its proper divisors (1).

239873201 is an equidigital number, since it uses as much as digits as its factorization.

239873201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 239873201 is about 15487.8404240230. The cubic root of 239873201 is about 621.3370391405.

The spelling of 239873201 in words is "two hundred thirty-nine million, eight hundred seventy-three thousand, two hundred one".