2571001 has 2 divisors, whose sum is σ = 2571002. Its totient is φ = 2571000.

The previous prime is 2570989. The next prime is 2571007. The reversal of 2571001 is 1001752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1687401 + 883600 = 1299^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 2571001 - 2⁵ = 2570969 is a prime.

It is a super-2 number, since 2×2571001² = 13220092284002, which contains 22 as substring.

2571001 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2571007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285500 + 1285501.

It is an arithmetic number, because the mean of its divisors is an integer number (1285501).

2^2571001 is an apocalyptic number.

It is an amenable number.

2571001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2571001 is an equidigital number, since it uses as much as digits as its factorization.

2571001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 2571001 is about 1603.4341271159. The cubic root of 2571001 is about 136.9937482717.

Adding to 2571001 its reverse (1001752), we get a palindrome (3572753).

The spelling of 2571001 in words is "two million, five hundred seventy-one thousand, one".