427285147 has 2 divisors, whose sum is σ = 427285148. Its totient is φ = 427285146.

The previous prime is 427285093. The next prime is 427285151. The reversal of 427285147 is 741582724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427285147 - 2¹⁵ = 427252379 is a prime.

It is not a weakly prime, because it can be changed into another prime (427285447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213642573 + 213642574.

It is an arithmetic number, because the mean of its divisors is an integer number (213642574).

Almost surely, 2^427285147 is an apocalyptic number.

427285147 is a deficient number, since it is larger than the sum of its proper divisors (1).

427285147 is an equidigital number, since it uses as much as digits as its factorization.

427285147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125440, while the sum is 40.

The square root of 427285147 is about 20670.8767835329. The cubic root of 427285147 is about 753.1924051560.

The spelling of 427285147 in words is "four hundred twenty-seven million, two hundred eighty-five thousand, one hundred forty-seven".