427171337 has 2 divisors, whose sum is σ = 427171338. Its totient is φ = 427171336.

The previous prime is 427171321. The next prime is 427171373. The reversal of 427171337 is 733171724.

Together with next prime (427171373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277255801 + 149915536 = 16651^2 + 12244^2 .

It is a cyclic number.

It is not a de Polignac number, because 427171337 - 2⁴ = 427171321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427171297 and 427171306.

It is not a weakly prime, because it can be changed into another prime (427171307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213585668 + 213585669.

It is an arithmetic number, because the mean of its divisors is an integer number (213585669).

Almost surely, 2^427171337 is an apocalyptic number.

It is an amenable number.

427171337 is a deficient number, since it is larger than the sum of its proper divisors (1).

427171337 is an equidigital number, since it uses as much as digits as its factorization.

427171337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 35.

The square root of 427171337 is about 20668.1236932625. The cubic root of 427171337 is about 753.1255267571.

The spelling of 427171337 in words is "four hundred twenty-seven million, one hundred seventy-one thousand, three hundred thirty-seven".