2180597 has 4 divisors (see below), whose sum is σ = 2255820. Its totient is φ = 2105376.

The previous prime is 2180587. The next prime is 2180603. The reversal of 2180597 is 7950812.

2180597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 1168561 = 1006^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 2180597 - 2⁸ = 2180341 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 (2180527) 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, 37568 + ... + 37625.

It is an arithmetic number, because the mean of its divisors is an integer number (563955).

2^2180597 is an apocalyptic number.

It is an amenable number.

2180597 is a deficient number, since it is larger than the sum of its proper divisors (75223).

2180597 is an equidigital number, since it uses as much as digits as its factorization.

2180597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75222.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2180597 is about 1476.6844618943. The cubic root of 2180597 is about 129.6756609021.

The spelling of 2180597 in words is "two million, one hundred eighty thousand, five hundred ninety-seven".