427130017 has 2 divisors, whose sum is σ = 427130018. Its totient is φ = 427130016.

The previous prime is 427129999. The next prime is 427130027. The reversal of 427130017 is 710031724.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292546816 + 134583201 = 17104^2 + 11601^2 .

It is a cyclic number.

It is not a de Polignac number, because 427130017 - 2⁷ = 427129889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427129973 and 427130000.

It is not a weakly prime, because it can be changed into another prime (427130027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213565008 + 213565009.

It is an arithmetic number, because the mean of its divisors is an integer number (213565009).

Almost surely, 2^427130017 is an apocalyptic number.

It is an amenable number.

427130017 is a deficient number, since it is larger than the sum of its proper divisors (1).

427130017 is an equidigital number, since it uses as much as digits as its factorization.

427130017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 427130017 is about 20667.1240621428. The cubic root of 427130017 is about 753.1012428633.

The spelling of 427130017 in words is "four hundred twenty-seven million, one hundred thirty thousand, seventeen".