42812713 has 2 divisors, whose sum is σ = 42812714. Its totient is φ = 42812712.

The previous prime is 42812669. The next prime is 42812717. The reversal of 42812713 is 31721824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41951529 + 861184 = 6477^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 42812713 - 2²⁵ = 9258281 is a prime.

It is not a weakly prime, because it can be changed into another prime (42812717) 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, 21406356 + 21406357.

It is an arithmetic number, because the mean of its divisors is an integer number (21406357).

Almost surely, 2^42812713 is an apocalyptic number.

It is an amenable number.

42812713 is a deficient number, since it is larger than the sum of its proper divisors (1).

42812713 is an equidigital number, since it uses as much as digits as its factorization.

42812713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 42812713 is about 6543.1424407543. The cubic root of 42812713 is about 349.8304294231.

The spelling of 42812713 in words is "forty-two million, eight hundred twelve thousand, seven hundred thirteen".