172433425 has 12 divisors (see below), whose sum is σ = 215058780. Its totient is φ = 137145920.

The previous prime is 172433423. The next prime is 172433447. The reversal of 172433425 is 524334271.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3017169 + 169416256 = 1737^2 + 13016^2 .

It is not a de Polignac number, because 172433425 - 2¹ = 172433423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172433423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15610 + ... + 24259.

It is an arithmetic number, because the mean of its divisors is an integer number (17921565).

Almost surely, 2^172433425 is an apocalyptic number.

It is an amenable number.

172433425 is a deficient number, since it is larger than the sum of its proper divisors (42625355).

172433425 is a wasteful number, since it uses less digits than its factorization.

172433425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40052 (or 40047 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 172433425 is about 13131.3908250421. The cubic root of 172433425 is about 556.5965176683.

Adding to 172433425 its reverse (524334271), we get a palindrome (696767696).

The spelling of 172433425 in words is "one hundred seventy-two million, four hundred thirty-three thousand, four hundred twenty-five".