172052347 has 2 divisors, whose sum is σ = 172052348. Its totient is φ = 172052346.

The previous prime is 172052341. The next prime is 172052357. The reversal of 172052347 is 743250271.

It is a weak prime.

It is an emirp because it is prime and its reverse (743250271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172052347 - 2³ = 172052339 is a prime.

It is not a weakly prime, because it can be changed into another prime (172052341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86026173 + 86026174.

It is an arithmetic number, because the mean of its divisors is an integer number (86026174).

Almost surely, 2^172052347 is an apocalyptic number.

172052347 is a deficient number, since it is larger than the sum of its proper divisors (1).

172052347 is an equidigital number, since it uses as much as digits as its factorization.

172052347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 172052347 is about 13116.8726074472. The cubic root of 172052347 is about 556.1861890021.

The spelling of 172052347 in words is "one hundred seventy-two million, fifty-two thousand, three hundred forty-seven".