2191053 has 8 divisors (see below), whose sum is σ = 2933568. Its totient is φ = 1454624.

The previous prime is 2191051. The next prime is 2191067. The reversal of 2191053 is 3501912.

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 2191053 - 2¹ = 2191051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2191051) 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, 600 + ... + 2177.

It is an arithmetic number, because the mean of its divisors is an integer number (366696).

2^2191053 is an apocalyptic number.

It is an amenable number.

2191053 is a deficient number, since it is larger than the sum of its proper divisors (742515).

2191053 is a wasteful number, since it uses less digits than its factorization.

2191053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 2191053 is about 1480.2205916687. The cubic root of 2191053 is about 129.8825961734.

Adding to 2191053 its reverse (3501912), we get a palindrome (5692965).

The spelling of 2191053 in words is "two million, one hundred ninety-one thousand, fifty-three".