2497609 has 2 divisors, whose sum is σ = 2497610. Its totient is φ = 2497608.

The previous prime is 2497603. The next prime is 2497631. The reversal of 2497609 is 9067942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 64009 = 1560^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 2497609 - 2⁹ = 2497097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2497603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248804 + 1248805.

It is an arithmetic number, because the mean of its divisors is an integer number (1248805).

2^2497609 is an apocalyptic number.

It is an amenable number.

2497609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2497609 is an equidigital number, since it uses as much as digits as its factorization.

2497609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2497609 is about 1580.3825486255. The cubic root of 2497609 is about 135.6775992118.

The spelling of 2497609 in words is "two million, four hundred ninety-seven thousand, six hundred nine".