7312133 has 2 divisors, whose sum is σ = 7312134. Its totient is φ = 7312132.

The previous prime is 7312127. The next prime is 7312139. The reversal of 7312133 is 3312137.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (7312127) and next prime (7312139).

It can be written as a sum of positive squares in only one way, i.e., 5189284 + 2122849 = 2278^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312133 - 2⁶ = 7312069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656066 + 3656067.

It is an arithmetic number, because the mean of its divisors is an integer number (3656067).

Almost surely, 2^7312133 is an apocalyptic number.

It is an amenable number.

7312133 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312133 is an equidigital number, since it uses as much as digits as its factorization.

7312133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 20.

The square root of 7312133 is about 2704.0955974225. The cubic root of 7312133 is about 194.0951547230.

The spelling of 7312133 in words is "seven million, three hundred twelve thousand, one hundred thirty-three".