68352533 has 2 divisors, whose sum is σ = 68352534. Its totient is φ = 68352532.

The previous prime is 68352517. The next prime is 68352539. The reversal of 68352533 is 33525386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 14799409 = 7318^2 + 3847^2 .

It is a cyclic number.

It is not a de Polignac number, because 68352533 - 2⁴ = 68352517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68352493 and 68352502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68352539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34176266 + 34176267.

It is an arithmetic number, because the mean of its divisors is an integer number (34176267).

Almost surely, 2^68352533 is an apocalyptic number.

It is an amenable number.

68352533 is a deficient number, since it is larger than the sum of its proper divisors (1).

68352533 is an equidigital number, since it uses as much as digits as its factorization.

68352533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

The square root of 68352533 is about 8267.5590714551. The cubic root of 68352533 is about 408.8696467881.

The spelling of 68352533 in words is "sixty-eight million, three hundred fifty-two thousand, five hundred thirty-three".