68082533 has 4 divisors (see below), whose sum is σ = 68189388. Its totient is φ = 67975680.

The previous prime is 68082503. The next prime is 68082563. The reversal of 68082533 is 33528086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33528086 = 2 ⋅16764043.

It is an interprime number because it is at equal distance from previous prime (68082503) and next prime (68082563).

It can be written as a sum of positive squares in 2 ways, for example, as 37368769 + 30713764 = 6113^2 + 5542^2 .

It is a cyclic number.

It is not a de Polignac number, because 68082533 - 2²² = 63888229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68082493 and 68082502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68082503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52466 + ... + 53747.

It is an arithmetic number, because the mean of its divisors is an integer number (17047347).

Almost surely, 2^68082533 is an apocalyptic number.

It is an amenable number.

68082533 is a deficient number, since it is larger than the sum of its proper divisors (106855).

68082533 is a wasteful number, since it uses less digits than its factorization.

68082533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106854.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 68082533 is about 8251.2140318865. The cubic root of 68082533 is about 408.3305763894.

The spelling of 68082533 in words is "sixty-eight million, eighty-two thousand, five hundred thirty-three".