756533 has 2 divisors, whose sum is σ = 756534. Its totient is φ = 756532.

The previous prime is 756527. The next prime is 756541. The reversal of 756533 is 335657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702244 + 54289 = 838^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 756533 - 2¹⁰ = 755509 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 = 756496 and 756505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (756563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378266 + 378267.

It is an arithmetic number, because the mean of its divisors is an integer number (378267).

2⁷⁵⁶⁵³³ is an apocalyptic number.

It is an amenable number.

756533 is a deficient number, since it is larger than the sum of its proper divisors (1).

756533 is an equidigital number, since it uses as much as digits as its factorization.

756533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 29.

The square root of 756533 is about 869.7890548863. The cubic root of 756533 is about 91.1190728826.

The spelling of 756533 in words is "seven hundred fifty-six thousand, five hundred thirty-three".