68433259 has 2 divisors, whose sum is σ = 68433260. Its totient is φ = 68433258.

The previous prime is 68433217. The next prime is 68433283. The reversal of 68433259 is 95233486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68433259 - 2¹¹ = 68431211 is a prime.

It is a super-2 number, since 2×68433259² = 9366221874722162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68433559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34216629 + 34216630.

It is an arithmetic number, because the mean of its divisors is an integer number (34216630).

Almost surely, 2^68433259 is an apocalyptic number.

68433259 is a deficient number, since it is larger than the sum of its proper divisors (1).

68433259 is an equidigital number, since it uses as much as digits as its factorization.

68433259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 68433259 is about 8272.4397247729. The cubic root of 68433259 is about 409.0305451210.

The spelling of 68433259 in words is "sixty-eight million, four hundred thirty-three thousand, two hundred fifty-nine".