2045197 has 8 divisors (see below), whose sum is σ = 2549952. Its totient is φ = 1593600.

The previous prime is 2045191. The next prime is 2045213. The reversal of 2045197 is 7915402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2045197 - 2³ = 2045189 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 (2045191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13204 + ... + 13357.

It is an arithmetic number, because the mean of its divisors is an integer number (318744).

2^2045197 is an apocalyptic number.

It is an amenable number.

2045197 is a deficient number, since it is larger than the sum of its proper divisors (504755).

2045197 is a wasteful number, since it uses less digits than its factorization.

2045197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26579.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2045197 is about 1430.1038423835. The cubic root of 2045197 is about 126.9341217014.

The spelling of 2045197 in words is "two million, forty-five thousand, one hundred ninety-seven".