2656013 has 2 divisors, whose sum is σ = 2656014. Its totient is φ = 2656012.

The previous prime is 2656009. The next prime is 2656033. The reversal of 2656013 is 3106562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1885129 + 770884 = 1373^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656013 - 2² = 2656009 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2656013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328006 + 1328007.

It is an arithmetic number, because the mean of its divisors is an integer number (1328007).

2^2656013 is an apocalyptic number.

It is an amenable number.

2656013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656013 is an equidigital number, since it uses as much as digits as its factorization.

2656013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2656013 is about 1629.7278913978. The cubic root of 2656013 is about 138.4873373975.

The spelling of 2656013 in words is "two million, six hundred fifty-six thousand, thirteen".