2173061 has 4 divisors (see below), whose sum is σ = 2370624. Its totient is φ = 1975500.

The previous prime is 2173051. The next prime is 2173079. The reversal of 2173061 is 1603712.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2173061 - 2⁶ = 2172997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98765 + ... + 98786.

It is an arithmetic number, because the mean of its divisors is an integer number (592656).

2^2173061 is an apocalyptic number.

It is an amenable number.

2173061 is a deficient number, since it is larger than the sum of its proper divisors (197563).

2173061 is a wasteful number, since it uses less digits than its factorization.

2173061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197562.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2173061 is about 1474.1305912300. The cubic root of 2173061 is about 129.5261049623.

Adding to 2173061 its reverse (1603712), we get a palindrome (3776773).

The spelling of 2173061 in words is "two million, one hundred seventy-three thousand, sixty-one".