2656547 has 2 divisors, whose sum is σ = 2656548. Its totient is φ = 2656546.

The previous prime is 2656529. The next prime is 2656553. The reversal of 2656547 is 7456562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2656547 - 2¹⁴ = 2640163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2656847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328273 + 1328274.

It is an arithmetic number, because the mean of its divisors is an integer number (1328274).

2^2656547 is an apocalyptic number.

2656547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656547 is an equidigital number, since it uses as much as digits as its factorization.

2656547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 2656547 is about 1629.8917141945. The cubic root of 2656547 is about 138.4966178845.

The spelling of 2656547 in words is "two million, six hundred fifty-six thousand, five hundred forty-seven".