427517 has 2 divisors, whose sum is σ = 427518. Its totient is φ = 427516.

The previous prime is 427513. The next prime is 427523. The reversal of 427517 is 715724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417316 + 10201 = 646^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 427517 - 2² = 427513 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427517.

It is not a weakly prime, because it can be changed into another prime (427513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213758 + 213759.

It is an arithmetic number, because the mean of its divisors is an integer number (213759).

2⁴²⁷⁵¹⁷ is an apocalyptic number.

It is an amenable number.

427517 is a deficient number, since it is larger than the sum of its proper divisors (1).

427517 is an equidigital number, since it uses as much as digits as its factorization.

427517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1960, while the sum is 26.

The square root of 427517 is about 653.8478416268. The cubic root of 427517 is about 75.3328612670.

The spelling of 427517 in words is "four hundred twenty-seven thousand, five hundred seventeen".