2656427 has 2 divisors, whose sum is σ = 2656428. Its totient is φ = 2656426.

The previous prime is 2656417. The next prime is 2656441. The reversal of 2656427 is 7246562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2656427 - 2⁶ = 2656363 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2656393 and 2656402.

It is not a weakly prime, because it can be changed into another prime (2656417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328213 + 1328214.

It is an arithmetic number, because the mean of its divisors is an integer number (1328214).

2^2656427 is an apocalyptic number.

2656427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656427 is an equidigital number, since it uses as much as digits as its factorization.

2656427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 2656427 is about 1629.8549015173. The cubic root of 2656427 is about 138.4945324902.

The spelling of 2656427 in words is "two million, six hundred fifty-six thousand, four hundred twenty-seven".