2056547 has 2 divisors, whose sum is σ = 2056548. Its totient is φ = 2056546.

The previous prime is 2056517. The next prime is 2056553. The reversal of 2056547 is 7456502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056547 - 2²⁰ = 1007971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2056517) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028273 + 1028274.

It is an arithmetic number, because the mean of its divisors is an integer number (1028274).

2^2056547 is an apocalyptic number.

2056547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056547 is an equidigital number, since it uses as much as digits as its factorization.

2056547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2056547 is about 1434.0665953853. The cubic root of 2056547 is about 127.1684993460.

The spelling of 2056547 in words is "two million, fifty-six thousand, five hundred forty-seven".