4025971 has 4 divisors (see below), whose sum is σ = 4035744. Its totient is φ = 4016200.

The previous prime is 4025941. The next prime is 4025981. The reversal of 4025971 is 1795204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4025971 - 2¹⁷ = 3894899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4025911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4240 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (1008936).

Almost surely, 2^4025971 is an apocalyptic number.

4025971 is a deficient number, since it is larger than the sum of its proper divisors (9773).

4025971 is an equidigital number, since it uses as much as digits as its factorization.

4025971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9772.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 4025971 is about 2006.4822451245. The cubic root of 4025971 is about 159.0829176048.

The spelling of 4025971 in words is "four million, twenty-five thousand, nine hundred seventy-one".