70533 has 12 divisors (see below), whose sum is σ = 108108. Its totient is φ = 44160.

The previous prime is 70529. The next prime is 70537. The reversal of 70533 is 33507.

It is an interprime number because it is at equal distance from previous prime (70529) and next prime (70537).

It can be written as a sum of positive squares in 2 ways, for example, as 39204 + 31329 = 198^2 + 177^2 .

It is not a de Polignac number, because 70533 - 2² = 70529 is a prime.

It is a Curzon number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78 + ... + 383.

It is an arithmetic number, because the mean of its divisors is an integer number (9009).

2⁷⁰⁵³³ is an apocalyptic number.

It is an amenable number.

70533 is a deficient number, since it is larger than the sum of its proper divisors (37575).

70533 is a wasteful number, since it uses less digits than its factorization.

70533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 18.

The square root of 70533 is about 265.5804962718. The cubic root of 70533 is about 41.3171907712.

It can be divided in two parts, 7053 and 3, that added together give a square (7056 = 84²).

The spelling of 70533 in words is "seventy thousand, five hundred thirty-three".