68535287 has 2 divisors, whose sum is σ = 68535288. Its totient is φ = 68535286.

The previous prime is 68535281. The next prime is 68535293. The reversal of 68535287 is 78253586.

It is a balanced prime because it is at equal distance from previous prime (68535281) and next prime (68535293).

It is a cyclic number.

It is not a de Polignac number, because 68535287 - 2⁸ = 68535031 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68535281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34267643 + 34267644.

It is an arithmetic number, because the mean of its divisors is an integer number (34267644).

Almost surely, 2^68535287 is an apocalyptic number.

68535287 is a deficient number, since it is larger than the sum of its proper divisors (1).

68535287 is an equidigital number, since it uses as much as digits as its factorization.

68535287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The square root of 68535287 is about 8278.6041697861. The cubic root of 68535287 is about 409.2337204306.

The spelling of 68535287 in words is "sixty-eight million, five hundred thirty-five thousand, two hundred eighty-seven".