427171307 has 2 divisors, whose sum is σ = 427171308. Its totient is φ = 427171306.

The previous prime is 427171273. The next prime is 427171313. The reversal of 427171307 is 703171724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427171307 - 2²² = 422977003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (427171337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213585653 + 213585654.

It is an arithmetic number, because the mean of its divisors is an integer number (213585654).

Almost surely, 2^427171307 is an apocalyptic number.

427171307 is a deficient number, since it is larger than the sum of its proper divisors (1).

427171307 is an equidigital number, since it uses as much as digits as its factorization.

427171307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 427171307 is about 20668.1229675072. The cubic root of 427171307 is about 753.1255091266.

The spelling of 427171307 in words is "four hundred twenty-seven million, one hundred seventy-one thousand, three hundred seven".