68251427 has 2 divisors, whose sum is σ = 68251428. Its totient is φ = 68251426.

The previous prime is 68251399. The next prime is 68251433. The reversal of 68251427 is 72415286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68251427 - 2¹⁸ = 67989283 is a prime.

It is not a weakly prime, because it can be changed into another prime (68251727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34125713 + 34125714.

It is an arithmetic number, because the mean of its divisors is an integer number (34125714).

Almost surely, 2^68251427 is an apocalyptic number.

68251427 is a deficient number, since it is larger than the sum of its proper divisors (1).

68251427 is an equidigital number, since it uses as much as digits as its factorization.

68251427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 35.

The square root of 68251427 is about 8261.4421864466. The cubic root of 68251427 is about 408.6679494395.

The spelling of 68251427 in words is "sixty-eight million, two hundred fifty-one thousand, four hundred twenty-seven".