45537533 has 2 divisors, whose sum is σ = 45537534. Its totient is φ = 45537532.

The previous prime is 45537521. The next prime is 45537581. The reversal of 45537533 is 33573554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39476089 + 6061444 = 6283^2 + 2462^2 .

It is a cyclic number.

It is not a de Polignac number, because 45537533 - 2⁴ = 45537517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45537493 and 45537502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45537133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22768766 + 22768767.

It is an arithmetic number, because the mean of its divisors is an integer number (22768767).

Almost surely, 2^45537533 is an apocalyptic number.

It is an amenable number.

45537533 is a deficient number, since it is larger than the sum of its proper divisors (1).

45537533 is an equidigital number, since it uses as much as digits as its factorization.

45537533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94500, while the sum is 35.

The square root of 45537533 is about 6748.1503391670. The cubic root of 45537533 is about 357.0999858559.

The spelling of 45537533 in words is "forty-five million, five hundred thirty-seven thousand, five hundred thirty-three".