2947133 has 4 divisors (see below), whose sum is σ = 3368160. Its totient is φ = 2526108.

The previous prime is 2947127. The next prime is 2947157. The reversal of 2947133 is 3317492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2947133 - 2⁴ = 2947117 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 9⁵ + 4⁸ + 7⁵ + 1 + 3¹¹ + 3¹² .

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2947096 and 2947105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210503 + ... + 210516.

It is an arithmetic number, because the mean of its divisors is an integer number (842040).

2^2947133 is an apocalyptic number.

It is an amenable number.

2947133 is a deficient number, since it is larger than the sum of its proper divisors (421027).

2947133 is an equidigital number, since it uses as much as digits as its factorization.

2947133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421026.

The product of its digits is 4536, while the sum is 29.

The square root of 2947133 is about 1716.7215848821. The cubic root of 2947133 is about 143.3727377990.

The spelling of 2947133 in words is "two million, nine hundred forty-seven thousand, one hundred thirty-three".