3975271 has 2 divisors, whose sum is σ = 3975272. Its totient is φ = 3975270.

The previous prime is 3975269. The next prime is 3975277. The reversal of 3975271 is 1725793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3975271 - 2¹ = 3975269 is a prime.

Together with 3975269, it forms a pair of twin primes.

3975271 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3975277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987635 + 1987636.

It is an arithmetic number, because the mean of its divisors is an integer number (1987636).

Almost surely, 2^3975271 is an apocalyptic number.

3975271 is a deficient number, since it is larger than the sum of its proper divisors (1).

3975271 is an equidigital number, since it uses as much as digits as its factorization.

3975271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 34.

The square root of 3975271 is about 1993.8081652957. The cubic root of 3975271 is about 158.4123050800.

The spelling of 3975271 in words is "three million, nine hundred seventy-five thousand, two hundred seventy-one".