2571142 has 16 divisors (see below), whose sum is σ = 4511232. Its totient is φ = 1076040.

The previous prime is 2571139. The next prime is 2571181. The reversal of 2571142 is 2411752.

It is a happy number.

It is a super-2 number, since 2×2571142² = 13221542368328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1534 + ... + 2737.

It is an arithmetic number, because the mean of its divisors is an integer number (281952).

2^2571142 is an apocalyptic number.

2571142 is a deficient number, since it is larger than the sum of its proper divisors (1940090).

2571142 is a wasteful number, since it uses less digits than its factorization.

2571142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its digits is 560, while the sum is 22.

The square root of 2571142 is about 1603.4780946430. The cubic root of 2571142 is about 136.9962525837.

Adding to 2571142 its reverse (2411752), we get a palindrome (4982894).

The spelling of 2571142 in words is "two million, five hundred seventy-one thousand, one hundred forty-two".