2560637 has 2 divisors, whose sum is σ = 2560638. Its totient is φ = 2560636.

The previous prime is 2560603. The next prime is 2560639. The reversal of 2560637 is 7360652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1466521 + 1094116 = 1211^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 2560637 - 2¹⁴ = 2544253 is a prime.

Together with 2560639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2560639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280318 + 1280319.

It is an arithmetic number, because the mean of its divisors is an integer number (1280319).

2^2560637 is an apocalyptic number.

It is an amenable number.

2560637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560637 is an equidigital number, since it uses as much as digits as its factorization.

2560637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 2560637 is about 1600.1990501185. The cubic root of 2560637 is about 136.8094211961.

The spelling of 2560637 in words is "two million, five hundred sixty thousand, six hundred thirty-seven".