906240133 has 2 divisors, whose sum is σ = 906240134. Its totient is φ = 906240132.

The previous prime is 906240109. The next prime is 906240151. The reversal of 906240133 is 331042609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846053569 + 60186564 = 29087^2 + 7758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906240133 is a prime.

It is a super-3 number, since 3×906240133³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906240103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453120066 + 453120067.

It is an arithmetic number, because the mean of its divisors is an integer number (453120067).

Almost surely, 2^906240133 is an apocalyptic number.

It is an amenable number.

906240133 is a deficient number, since it is larger than the sum of its proper divisors (1).

906240133 is an equidigital number, since it uses as much as digits as its factorization.

906240133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 906240133 is about 30103.8225645847. The cubic root of 906240133 is about 967.7156480578.

The spelling of 906240133 in words is "nine hundred six million, two hundred forty thousand, one hundred thirty-three".