755533 has 4 divisors (see below), whose sum is σ = 763420. Its totient is φ = 747648.

The previous prime is 755509. The next prime is 755539. The reversal of 755533 is 335557.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 393129 + 362404 = 627^2 + 602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755533 is a prime.

It is a super-2 number, since 2×755533² = 1141660228178, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755539) 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 in 3 ways as a sum of consecutive naturals, for example, 3798 + ... + 3991.

It is an arithmetic number, because the mean of its divisors is an integer number (190855).

2⁷⁵⁵⁵³³ is an apocalyptic number.

It is an amenable number.

755533 is a deficient number, since it is larger than the sum of its proper divisors (7887).

755533 is an equidigital number, since it uses as much as digits as its factorization.

755533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886.

The product of its digits is 7875, while the sum is 28.

The square root of 755533 is about 869.2140127725. The cubic root of 755533 is about 91.0789075274.

The spelling of 755533 in words is "seven hundred fifty-five thousand, five hundred thirty-three".