2132197 has 4 divisors (see below), whose sum is σ = 2151180. Its totient is φ = 2113216.

The previous prime is 2132177. The next prime is 2132209. The reversal of 2132197 is 7912312.

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 1052676 + 1079521 = 1026^2 + 1039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132197 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 3⁷ + 2²¹ + 1 + 9² + 7 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132107) 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, 9322 + ... + 9547.

It is an arithmetic number, because the mean of its divisors is an integer number (537795).

2^2132197 is an apocalyptic number.

It is an amenable number.

2132197 is a deficient number, since it is larger than the sum of its proper divisors (18983).

2132197 is a wasteful number, since it uses less digits than its factorization.

2132197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18982.

The product of its digits is 756, while the sum is 25.

The square root of 2132197 is about 1460.2044377415. The cubic root of 2132197 is about 128.7090572678.

The spelling of 2132197 in words is "two million, one hundred thirty-two thousand, one hundred ninety-seven".