2534561 has 2 divisors, whose sum is σ = 2534562. Its totient is φ = 2534560.

The previous prime is 2534551. The next prime is 2534563. The reversal of 2534561 is 1654352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1690000 + 844561 = 1300^2 + 919^2 .

It is a cyclic number.

It is not a de Polignac number, because 2534561 - 2¹⁴ = 2518177 is a prime.

Together with 2534563, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2534561.

It is not a weakly prime, because it can be changed into another prime (2534563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267280 + 1267281.

It is an arithmetic number, because the mean of its divisors is an integer number (1267281).

2^2534561 is an apocalyptic number.

It is an amenable number.

2534561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2534561 is an equidigital number, since it uses as much as digits as its factorization.

2534561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 2534561 is about 1592.0304645326. The cubic root of 2534561 is about 136.3434406590.

The spelling of 2534561 in words is "two million, five hundred thirty-four thousand, five hundred sixty-one".