4065427 has 2 divisors, whose sum is σ = 4065428. Its totient is φ = 4065426.

The previous prime is 4065409. The next prime is 4065461. The reversal of 4065427 is 7245604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4065427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4065395 and 4065404.

It is not a weakly prime, because it can be changed into another prime (4065527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032713 + 2032714.

It is an arithmetic number, because the mean of its divisors is an integer number (2032714).

Almost surely, 2^4065427 is an apocalyptic number.

4065427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4065427 is an equidigital number, since it uses as much as digits as its factorization.

4065427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4065427 is about 2016.2904056708. The cubic root of 4065427 is about 159.6009194822.

The spelling of 4065427 in words is "four million, sixty-five thousand, four hundred twenty-seven".