2197497 has 8 divisors (see below), whose sum is σ = 3024640. Its totient is φ = 1417680.

The previous prime is 2197493. The next prime is 2197501. The reversal of 2197497 is 7947912.

It is an interprime number because it is at equal distance from previous prime (2197493) and next prime (2197501).

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

It is not a de Polignac number, because 2197497 - 2² = 2197493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197493) 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, 11722 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (378080).

2^2197497 is an apocalyptic number.

It is an amenable number.

2197497 is a deficient number, since it is larger than the sum of its proper divisors (827143).

2197497 is a wasteful number, since it uses less digits than its factorization.

2197497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23663.

The product of its digits is 31752, while the sum is 39.

The square root of 2197497 is about 1482.3956961621. The cubic root of 2197497 is about 130.0098020222.

The spelling of 2197497 in words is "two million, one hundred ninety-seven thousand, four hundred ninety-seven".