2745197 has 16 divisors (see below), whose sum is σ = 3424512. Its totient is φ = 2142720.

The previous prime is 2745179. The next prime is 2745209. The reversal of 2745197 is 7915472.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2745197 is a prime.

It is a super-2 number, since 2×2745197² = 15072213137618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8672 + ... + 8982.

It is an arithmetic number, because the mean of its divisors is an integer number (214032).

2^2745197 is an apocalyptic number.

It is an amenable number.

2745197 is a deficient number, since it is larger than the sum of its proper divisors (679315).

2745197 is a wasteful number, since it uses less digits than its factorization.

2745197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its digits is 17640, while the sum is 35.

The square root of 2745197 is about 1656.8636033180. The cubic root of 2745197 is about 140.0203541835.

The spelling of 2745197 in words is "two million, seven hundred forty-five thousand, one hundred ninety-seven".