2604529 has 2 divisors, whose sum is σ = 2604530. Its totient is φ = 2604528.

The previous prime is 2604523. The next prime is 2604557. The reversal of 2604529 is 9254062.

It is an a-pointer prime, because the next prime (2604557) can be obtained adding 2604529 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 123904 = 1575^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 2604529 - 2³ = 2604521 is a prime.

It is a Chen prime.

2604529 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2604497 and 2604506.

It is not a weakly prime, because it can be changed into another prime (2604521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302264 + 1302265.

It is an arithmetic number, because the mean of its divisors is an integer number (1302265).

2^2604529 is an apocalyptic number.

It is an amenable number.

2604529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604529 is an equidigital number, since it uses as much as digits as its factorization.

2604529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2604529 is about 1613.8553218923. The cubic root of 2604529 is about 137.5866825323.

The spelling of 2604529 in words is "two million, six hundred four thousand, five hundred twenty-nine".