4057567 has 2 divisors, whose sum is σ = 4057568. Its totient is φ = 4057566.

The previous prime is 4057561. The next prime is 4057589. The reversal of 4057567 is 7657504.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4057567 is a prime.

4057567 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4057561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028783 + 2028784.

It is an arithmetic number, because the mean of its divisors is an integer number (2028784).

Almost surely, 2^4057567 is an apocalyptic number.

4057567 is a deficient number, since it is larger than the sum of its proper divisors (1).

4057567 is an equidigital number, since it uses as much as digits as its factorization.

4057567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 4057567 is about 2014.3403386717. The cubic root of 4057567 is about 159.4979969154.

It can be divided in two parts, 4057 and 567, that added together give a square (4624 = 68²).

The spelling of 4057567 in words is "four million, fifty-seven thousand, five hundred sixty-seven".