2605529 has 2 divisors, whose sum is σ = 2605530. Its totient is φ = 2605528.

The previous prime is 2605523. The next prime is 2605531. The reversal of 2605529 is 9255062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2544025 + 61504 = 1595^2 + 248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2605529 is a prime.

Together with 2605531, 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 (2605523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302764 + 1302765.

It is an arithmetic number, because the mean of its divisors is an integer number (1302765).

2^2605529 is an apocalyptic number.

It is an amenable number.

2605529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605529 is an equidigital number, since it uses as much as digits as its factorization.

2605529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2605529 is about 1614.1651092748. The cubic root of 2605529 is about 137.6042889246.

The spelling of 2605529 in words is "two million, six hundred five thousand, five hundred twenty-nine".