4045687 has 2 divisors, whose sum is σ = 4045688. Its totient is φ = 4045686.

The previous prime is 4045681. The next prime is 4045693. The reversal of 4045687 is 7865404.

It is a balanced prime because it is at equal distance from previous prime (4045681) and next prime (4045693).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4045687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4045681) 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, 2022843 + 2022844.

It is an arithmetic number, because the mean of its divisors is an integer number (2022844).

Almost surely, 2^4045687 is an apocalyptic number.

4045687 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045687 is an equidigital number, since it uses as much as digits as its factorization.

4045687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 4045687 is about 2011.3893208427. The cubic root of 4045687 is about 159.3421819906.

The spelling of 4045687 in words is "four million, forty-five thousand, six hundred eighty-seven".