86427251 has 2 divisors, whose sum is σ = 86427252. Its totient is φ = 86427250.

The previous prime is 86427241. The next prime is 86427311. The reversal of 86427251 is 15272468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86427251 - 2¹⁰ = 86426227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (86427241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43213625 + 43213626.

It is an arithmetic number, because the mean of its divisors is an integer number (43213626).

Almost surely, 2^86427251 is an apocalyptic number.

86427251 is a deficient number, since it is larger than the sum of its proper divisors (1).

86427251 is an equidigital number, since it uses as much as digits as its factorization.

86427251 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 86427251 is about 9296.6257857354. The cubic root of 86427251 is about 442.1302534430.

The spelling of 86427251 in words is "eighty-six million, four hundred twenty-seven thousand, two hundred fifty-one".