172050239 has 2 divisors, whose sum is σ = 172050240. Its totient is φ = 172050238.

The previous prime is 172050233. The next prime is 172050283. The reversal of 172050239 is 932050271.

172050239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (932050271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172050239 - 2¹² = 172046143 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172050233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86025119 + 86025120.

It is an arithmetic number, because the mean of its divisors is an integer number (86025120).

Almost surely, 2^172050239 is an apocalyptic number.

172050239 is a deficient number, since it is larger than the sum of its proper divisors (1).

172050239 is an equidigital number, since it uses as much as digits as its factorization.

172050239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 172050239 is about 13116.7922526813. The cubic root of 172050239 is about 556.1839175127.

The spelling of 172050239 in words is "one hundred seventy-two million, fifty thousand, two hundred thirty-nine".