2562689 has 2 divisors, whose sum is σ = 2562690. Its totient is φ = 2562688.

The previous prime is 2562667. The next prime is 2562691. The reversal of 2562689 is 9862652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 1081600 = 1217^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2562689 - 2⁸ = 2562433 is a prime.

Together with 2562691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2562619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281344 + 1281345.

It is an arithmetic number, because the mean of its divisors is an integer number (1281345).

2^2562689 is an apocalyptic number.

It is an amenable number.

2562689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2562689 is an equidigital number, since it uses as much as digits as its factorization.

2562689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 2562689 is about 1600.8400919517. The cubic root of 2562689 is about 136.8459561124.

The spelling of 2562689 in words is "two million, five hundred sixty-two thousand, six hundred eighty-nine".