2056247 has 2 divisors, whose sum is σ = 2056248. Its totient is φ = 2056246.

The previous prime is 2056211. The next prime is 2056253. The reversal of 2056247 is 7426502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056247 - 2¹⁰ = 2055223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056207) 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, 1028123 + 1028124.

It is an arithmetic number, because the mean of its divisors is an integer number (1028124).

2^2056247 is an apocalyptic number.

2056247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056247 is an equidigital number, since it uses as much as digits as its factorization.

2056247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2056247 is about 1433.9619939176. The cubic root of 2056247 is about 127.1623154521.

The spelling of 2056247 in words is "two million, fifty-six thousand, two hundred forty-seven".