67315289 has 2 divisors, whose sum is σ = 67315290. Its totient is φ = 67315288.

The previous prime is 67315279. The next prime is 67315333. The reversal of 67315289 is 98251376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53772889 + 13542400 = 7333^2 + 3680^2 .

It is a cyclic number.

It is not a de Polignac number, because 67315289 - 2⁸ = 67315033 is a prime.

It is not a weakly prime, because it can be changed into another prime (67315219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33657644 + 33657645.

It is an arithmetic number, because the mean of its divisors is an integer number (33657645).

Almost surely, 2^67315289 is an apocalyptic number.

It is an amenable number.

67315289 is a deficient number, since it is larger than the sum of its proper divisors (1).

67315289 is an equidigital number, since it uses as much as digits as its factorization.

67315289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 67315289 is about 8204.5895083179. The cubic root of 67315289 is about 406.7909085435.

The spelling of 67315289 in words is "sixty-seven million, three hundred fifteen thousand, two hundred eighty-nine".