2571139 has 2 divisors, whose sum is σ = 2571140. Its totient is φ = 2571138.

The previous prime is 2571119. The next prime is 2571181. The reversal of 2571139 is 9311752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2571139 - 2⁷ = 2571011 is a prime.

It is a super-2 number, since 2×2571139² = 13221511514642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2571119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285569 + 1285570.

It is an arithmetic number, because the mean of its divisors is an integer number (1285570).

2^2571139 is an apocalyptic number.

2571139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2571139 is an equidigital number, since it uses as much as digits as its factorization.

2571139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 28.

The square root of 2571139 is about 1603.4771591763. The cubic root of 2571139 is about 136.9961993014.

The spelling of 2571139 in words is "two million, five hundred seventy-one thousand, one hundred thirty-nine".