427501717 has 2 divisors, whose sum is σ = 427501718. Its totient is φ = 427501716.

The previous prime is 427501699. The next prime is 427501733. The reversal of 427501717 is 717105724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425761956 + 1739761 = 20634^2 + 1319^2 .

It is a cyclic number.

It is not a de Polignac number, because 427501717 - 2¹¹ = 427499669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427501747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213750858 + 213750859.

It is an arithmetic number, because the mean of its divisors is an integer number (213750859).

Almost surely, 2^427501717 is an apocalyptic number.

It is an amenable number.

427501717 is a deficient number, since it is larger than the sum of its proper divisors (1).

427501717 is an equidigital number, since it uses as much as digits as its factorization.

427501717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 427501717 is about 20676.1146495177. The cubic root of 427501717 is about 753.3196358270.

The spelling of 427501717 in words is "four hundred twenty-seven million, five hundred one thousand, seven hundred seventeen".