5639707 has 2 divisors, whose sum is σ = 5639708. Its totient is φ = 5639706.

The previous prime is 5639693. The next prime is 5639723. The reversal of 5639707 is 7079365.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5639707 is a prime.

It is an Ulam number.

5639707 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5639797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819853 + 2819854.

It is an arithmetic number, because the mean of its divisors is an integer number (2819854).

Almost surely, 2^5639707 is an apocalyptic number.

5639707 is a deficient number, since it is larger than the sum of its proper divisors (1).

5639707 is an equidigital number, since it uses as much as digits as its factorization.

5639707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 5639707 is about 2374.8067289782. The cubic root of 5639707 is about 177.9995265737. Note that the first 3 decimals are identical.

The spelling of 5639707 in words is "five million, six hundred thirty-nine thousand, seven hundred seven".