2042271 has 36 divisors (see below), whose sum is σ = 3752424. Its totient is φ = 1058400.

The previous prime is 2042263. The next prime is 2042273. The reversal of 2042271 is 1722402.

It is not a de Polignac number, because 2042271 - 2³ = 2042263 is a prime.

2042271 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042273) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4641 + ... + 5061.

It is an arithmetic number, because the mean of its divisors is an integer number (104234).

2^2042271 is an apocalyptic number.

2042271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2042271 is a deficient number, since it is larger than the sum of its proper divisors (1710153).

2042271 is a wasteful number, since it uses less digits than its factorization.

2042271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2042271 is about 1429.0804735913. The cubic root of 2042271 is about 126.8735592385.

Adding to 2042271 its reverse (1722402), we get a palindrome (3764673).

The spelling of 2042271 in words is "two million, forty-two thousand, two hundred seventy-one".