2057747 has 2 divisors, whose sum is σ = 2057748. Its totient is φ = 2057746.

The previous prime is 2057729. The next prime is 2057761. The reversal of 2057747 is 7477502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2057747 - 2⁶ = 2057683 is a prime.

It is not a weakly prime, because it can be changed into another prime (2057777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028873 + 1028874.

It is an arithmetic number, because the mean of its divisors is an integer number (1028874).

2^2057747 is an apocalyptic number.

2057747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057747 is an equidigital number, since it uses as much as digits as its factorization.

2057747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 2057747 is about 1434.4849249818. The cubic root of 2057747 is about 127.1932289092.

The spelling of 2057747 in words is "two million, fifty-seven thousand, seven hundred forty-seven".