2571197 has 2 divisors, whose sum is σ = 2571198. Its totient is φ = 2571196.

The previous prime is 2571181. The next prime is 2571203. The reversal of 2571197 is 7911752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1833316 + 737881 = 1354^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 2571197 - 2⁴ = 2571181 is a prime.

It is a super-2 number, since 2×2571197² = 13222108025618, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2571497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285598 + 1285599.

It is an arithmetic number, because the mean of its divisors is an integer number (1285599).

2^2571197 is an apocalyptic number.

It is an amenable number.

2571197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2571197 is an equidigital number, since it uses as much as digits as its factorization.

2571197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 32.

The square root of 2571197 is about 1603.4952447700. The cubic root of 2571197 is about 136.9972294181.

The spelling of 2571197 in words is "two million, five hundred seventy-one thousand, one hundred ninety-seven".