2651611 has 2 divisors, whose sum is σ = 2651612. Its totient is φ = 2651610.

The previous prime is 2651603. The next prime is 2651617. The reversal of 2651611 is 1161562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2651611 - 2³ = 2651603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2651617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325805 + 1325806.

It is an arithmetic number, because the mean of its divisors is an integer number (1325806).

2^2651611 is an apocalyptic number.

2651611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651611 is an equidigital number, since it uses as much as digits as its factorization.

2651611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 22.

The square root of 2651611 is about 1628.3767991469. The cubic root of 2651611 is about 138.4107867733.

The spelling of 2651611 in words is "two million, six hundred fifty-one thousand, six hundred eleven".