2151193 has 8 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 1945680.

The previous prime is 2151179. The next prime is 2151203. The reversal of 2151193 is 3911512.

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

It is a de Polignac number, because none of the positive numbers 2^k-2151193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151293) 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, 2596 + ... + 3322.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

2^2151193 is an apocalyptic number.

It is an amenable number.

2151193 is a deficient number, since it is larger than the sum of its proper divisors (207527).

2151193 is a wasteful number, since it uses less digits than its factorization.

2151193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its digits is 270, while the sum is 22.

The square root of 2151193 is about 1466.6945830677. The cubic root of 2151193 is about 129.0901559140.

The spelling of 2151193 in words is "two million, one hundred fifty-one thousand, one hundred ninety-three".