2173262401 has 4 divisors (see below), whose sum is σ = 2173366404. Its totient is φ = 2173158400.

The previous prime is 2173262393. The next prime is 2173262417. The reversal of 2173262401 is 1042623712.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2024910001 + 148352400 = 44999^2 + 12180^2 .

It is a cyclic number.

It is not a de Polignac number, because 2173262401 - 2³ = 2173262393 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 2173262401.

It is not an unprimeable number, because it can be changed into a prime (2173262101) 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, 8560 + ... + 66481.

It is an arithmetic number, because the mean of its divisors is an integer number (543341601).

Almost surely, 2^2173262401 is an apocalyptic number.

It is an amenable number.

2173262401 is a deficient number, since it is larger than the sum of its proper divisors (104003).

2173262401 is an equidigital number, since it uses as much as digits as its factorization.

2173262401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104002.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2173262401 is about 46618.2625266107. The cubic root of 2173262401 is about 1295.3010636572.

The spelling of 2173262401 in words is "two billion, one hundred seventy-three million, two hundred sixty-two thousand, four hundred one".