427579 has 2 divisors, whose sum is σ = 427580. Its totient is φ = 427578.

The previous prime is 427541. The next prime is 427591. The reversal of 427579 is 975724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427579 - 2⁷ = 427451 is a prime.

It is not a weakly prime, because it can be changed into another prime (427529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213789 + 213790.

It is an arithmetic number, because the mean of its divisors is an integer number (213790).

2⁴²⁷⁵⁷⁹ is an apocalyptic number.

427579 is a deficient number, since it is larger than the sum of its proper divisors (1).

427579 is an equidigital number, since it uses as much as digits as its factorization.

427579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 427579 is about 653.8952515503. The cubic root of 427579 is about 75.3365027686.

The spelling of 427579 in words is "four hundred twenty-seven thousand, five hundred seventy-nine".