172433401 has 6 divisors (see below), whose sum is σ = 200585850. Its totient is φ = 147800016.

The previous prime is 172433399. The next prime is 172433407. The reversal of 172433401 is 104334271.

It can be written as a sum of positive squares in only one way, i.e., 130507776 + 41925625 = 11424^2 + 6475^2 .

It is not a de Polignac number, because 172433401 - 2¹ = 172433399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172433407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1759476 + ... + 1759573.

It is an arithmetic number, because the mean of its divisors is an integer number (33430975).

Almost surely, 2^172433401 is an apocalyptic number.

It is an amenable number.

172433401 is a deficient number, since it is larger than the sum of its proper divisors (28152449).

172433401 is an equidigital number, since it uses as much as digits as its factorization.

172433401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519063 (or 3519056 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 172433401 is about 13131.3899112013. The cubic root of 172433401 is about 556.5964918452.

Adding to 172433401 its reverse (104334271), we get a palindrome (276767672).

The spelling of 172433401 in words is "one hundred seventy-two million, four hundred thirty-three thousand, four hundred one".