172625043 has 4 divisors (see below), whose sum is σ = 230166728. Its totient is φ = 115083360.

The previous prime is 172625029. The next prime is 172625053. The reversal of 172625043 is 340526271.

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

It is not a de Polignac number, because 172625043 - 2⁶ = 172624979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172625043.

It is not an unprimeable number, because it can be changed into a prime (172625003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28770838 + ... + 28770843.

It is an arithmetic number, because the mean of its divisors is an integer number (57541682).

Almost surely, 2^172625043 is an apocalyptic number.

172625043 is a deficient number, since it is larger than the sum of its proper divisors (57541685).

172625043 is an equidigital number, since it uses as much as digits as its factorization.

172625043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57541684.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 172625043 is about 13138.6849798600. The cubic root of 172625043 is about 556.8026154308.

The spelling of 172625043 in words is "one hundred seventy-two million, six hundred twenty-five thousand, forty-three".