2132291 has 8 divisors (see below), whose sum is σ = 2446080. Its totient is φ = 1820808.

The previous prime is 2132281. The next prime is 2132303. The reversal of 2132291 is 1922312.

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 2132291 - 2¹⁰ = 2131267 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2570 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

2^2132291 is an apocalyptic number.

2132291 is a deficient number, since it is larger than the sum of its proper divisors (313789).

2132291 is an equidigital number, since it uses as much as digits as its factorization.

2132291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153.

The product of its digits is 216, while the sum is 20.

The square root of 2132291 is about 1460.2366246605. The cubic root of 2132291 is about 128.7109486617.

The spelling of 2132291 in words is "two million, one hundred thirty-two thousand, two hundred ninety-one".