172250093 has 4 divisors (see below), whose sum is σ = 173922528. Its totient is φ = 170577660.

The previous prime is 172250077. The next prime is 172250123. The reversal of 172250093 is 390052271.

172250093 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390052271 = 7 ⋅55721753.

It is a cyclic number.

It is not a de Polignac number, because 172250093 - 2⁴ = 172250077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172250003) 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, 836063 + ... + 836268.

It is an arithmetic number, because the mean of its divisors is an integer number (43480632).

Almost surely, 2^172250093 is an apocalyptic number.

It is an amenable number.

172250093 is a deficient number, since it is larger than the sum of its proper divisors (1672435).

172250093 is a wasteful number, since it uses less digits than its factorization.

172250093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672434.

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

The square root of 172250093 is about 13124.4082914240. The cubic root of 172250093 is about 556.3991890704.

It can be divided in two parts, 1722 and 50093, that added together give a palindrome (51815).

The spelling of 172250093 in words is "one hundred seventy-two million, two hundred fifty thousand, ninety-three".