2656057 has 2 divisors, whose sum is σ = 2656058. Its totient is φ = 2656056.

The previous prime is 2656051. The next prime is 2656079. The reversal of 2656057 is 7506562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2178576 + 477481 = 1476^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656057 - 2⁷ = 2655929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2656051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328028 + 1328029.

It is an arithmetic number, because the mean of its divisors is an integer number (1328029).

2^2656057 is an apocalyptic number.

It is an amenable number.

2656057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656057 is an equidigital number, since it uses as much as digits as its factorization.

2656057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2656057 is about 1629.7413905280. The cubic root of 2656057 is about 138.4881021289.

The spelling of 2656057 in words is "two million, six hundred fifty-six thousand, fifty-seven".