2197061 has 4 divisors (see below), whose sum is σ = 2200224. Its totient is φ = 2193900.

The previous prime is 2197049. The next prime is 2197087. The reversal of 2197061 is 1607912.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2197061 - 2¹⁰ = 2196037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2197061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35 + ... + 2096.

It is an arithmetic number, because the mean of its divisors is an integer number (550056).

2^2197061 is an apocalyptic number.

It is an amenable number.

2197061 is a deficient number, since it is larger than the sum of its proper divisors (3163).

2197061 is a wasteful number, since it uses less digits than its factorization.

2197061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 2197061 is about 1482.2486296165. The cubic root of 2197061 is about 130.0012031447.

The spelling of 2197061 in words is "two million, one hundred ninety-seven thousand, sixty-one".