172083601 has 4 divisors (see below), whose sum is σ = 176280804. Its totient is φ = 167886400.

The previous prime is 172083599. The next prime is 172083607. The reversal of 172083601 is 106380271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106380271 = 17 ⋅6257663.

It can be written as a sum of positive squares in 2 ways, for example, as 19536400 + 152547201 = 4420^2 + 12351^2 .

It is a cyclic number.

It is not a de Polignac number, because 172083601 - 2¹ = 172083599 is a prime.

It is a super-2 number, since 2×172083601² = 59225531466254402, which contains 22 as substring.

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 172083601.

It is not an unprimeable number, because it can be changed into a prime (172083607) 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, 2098540 + ... + 2098621.

It is an arithmetic number, because the mean of its divisors is an integer number (44070201).

Almost surely, 2^172083601 is an apocalyptic number.

It is an amenable number.

172083601 is a deficient number, since it is larger than the sum of its proper divisors (4197203).

172083601 is an equidigital number, since it uses as much as digits as its factorization.

172083601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197202.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 172083601 is about 13118.0639196491. The cubic root of 172083601 is about 556.2198647816.

The spelling of 172083601 in words is "one hundred seventy-two million, eighty-three thousand, six hundred one".