7240133 has 2 divisors, whose sum is σ = 7240134. Its totient is φ = 7240132.

The previous prime is 7240117. The next prime is 7240139. The reversal of 7240133 is 3310427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 20164 = 2687^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 7240133 - 2⁴ = 7240117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7240139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3620066 + 3620067.

It is an arithmetic number, because the mean of its divisors is an integer number (3620067).

Almost surely, 2^7240133 is an apocalyptic number.

It is an amenable number.

7240133 is a deficient number, since it is larger than the sum of its proper divisors (1).

7240133 is an equidigital number, since it uses as much as digits as its factorization.

7240133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7240133 is about 2690.7495238316. The cubic root of 7240133 is about 193.4559900089.

The spelling of 7240133 in words is "seven million, two hundred forty thousand, one hundred thirty-three".