2610649 has 2 divisors, whose sum is σ = 2610650. Its totient is φ = 2610648.

The previous prime is 2610623. The next prime is 2610653. The reversal of 2610649 is 9460162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2155024 + 455625 = 1468^2 + 675^2 .

It is a cyclic number.

It is not a de Polignac number, because 2610649 - 2⁹ = 2610137 is a prime.

It is not a weakly prime, because it can be changed into another prime (2610679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305324 + 1305325.

It is an arithmetic number, because the mean of its divisors is an integer number (1305325).

2^2610649 is an apocalyptic number.

It is an amenable number.

2610649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2610649 is an equidigital number, since it uses as much as digits as its factorization.

2610649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2610649 is about 1615.7502901129. The cubic root of 2610649 is about 137.6943631450.

The spelling of 2610649 in words is "two million, six hundred ten thousand, six hundred forty-nine".