2649497 has 2 divisors, whose sum is σ = 2649498. Its totient is φ = 2649496.

The previous prime is 2649487. The next prime is 2649499. The reversal of 2649497 is 7949462.

2649497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 203401 = 1564^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 2649497 - 2⁴ = 2649481 is a prime.

Together with 2649499, 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 (2649499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324748 + 1324749.

It is an arithmetic number, because the mean of its divisors is an integer number (1324749).

2^2649497 is an apocalyptic number.

It is an amenable number.

2649497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649497 is an equidigital number, since it uses as much as digits as its factorization.

2649497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 2649497 is about 1627.7275570562. The cubic root of 2649497 is about 138.3739942729.

The spelling of 2649497 in words is "two million, six hundred forty-nine thousand, four hundred ninety-seven".