68547133 has 2 divisors, whose sum is σ = 68547134. Its totient is φ = 68547132.

The previous prime is 68547119. The next prime is 68547151. The reversal of 68547133 is 33174586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61434244 + 7112889 = 7838^2 + 2667^2 .

It is a cyclic number.

It is not a de Polignac number, because 68547133 - 2²⁵ = 34992701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68547092 and 68547101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68547233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34273566 + 34273567.

It is an arithmetic number, because the mean of its divisors is an integer number (34273567).

Almost surely, 2^68547133 is an apocalyptic number.

It is an amenable number.

68547133 is a deficient number, since it is larger than the sum of its proper divisors (1).

68547133 is an equidigital number, since it uses as much as digits as its factorization.

68547133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 68547133 is about 8279.3195976481. The cubic root of 68547133 is about 409.2572971096.

The spelling of 68547133 in words is "sixty-eight million, five hundred forty-seven thousand, one hundred thirty-three".