172252843 has 4 divisors (see below), whose sum is σ = 196860400. Its totient is φ = 147645288.

The previous prime is 172252811. The next prime is 172252877. The reversal of 172252843 is 348252271.

It is a happy number.

172252843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 172252843 - 2⁵ = 172252811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172252799 and 172252808.

It is not an unprimeable number, because it can be changed into a prime (172252343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12303768 + ... + 12303781.

It is an arithmetic number, because the mean of its divisors is an integer number (49215100).

Almost surely, 2^172252843 is an apocalyptic number.

172252843 is a deficient number, since it is larger than the sum of its proper divisors (24607557).

172252843 is an equidigital number, since it uses as much as digits as its factorization.

172252843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24607556.

The product of its digits is 26880, while the sum is 34.

The square root of 172252843 is about 13124.5130576338. The cubic root of 172252843 is about 556.4021500550.

The spelling of 172252843 in words is "one hundred seventy-two million, two hundred fifty-two thousand, eight hundred forty-three".