427259851 has 2 divisors, whose sum is σ = 427259852. Its totient is φ = 427259850.

The previous prime is 427259843. The next prime is 427259867. The reversal of 427259851 is 158952724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427259851 - 2³ = 427259843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427259798 and 427259807.

It is not a weakly prime, because it can be changed into another prime (427259801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213629925 + 213629926.

It is an arithmetic number, because the mean of its divisors is an integer number (213629926).

Almost surely, 2^427259851 is an apocalyptic number.

427259851 is a deficient number, since it is larger than the sum of its proper divisors (1).

427259851 is an equidigital number, since it uses as much as digits as its factorization.

427259851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 427259851 is about 20670.2648991250. The cubic root of 427259851 is about 753.1775414432.

The spelling of 427259851 in words is "four hundred twenty-seven million, two hundred fifty-nine thousand, eight hundred fifty-one".