2651617 has 2 divisors, whose sum is σ = 2651618. Its totient is φ = 2651616.

The previous prime is 2651611. The next prime is 2651629. The reversal of 2651617 is 7161562.

2651617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2405601 + 246016 = 1551^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 2651617 - 2⁷ = 2651489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2651611) 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, 1325808 + 1325809.

It is an arithmetic number, because the mean of its divisors is an integer number (1325809).

2^2651617 is an apocalyptic number.

It is an amenable number.

2651617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651617 is an equidigital number, since it uses as much as digits as its factorization.

2651617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 2651617 is about 1628.3786414713. The cubic root of 2651617 is about 138.4108911707.

The spelling of 2651617 in words is "two million, six hundred fifty-one thousand, six hundred seventeen".