42213713 has 2 divisors, whose sum is σ = 42213714. Its totient is φ = 42213712.

The previous prime is 42213709. The next prime is 42213719. The reversal of 42213713 is 31731224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42211009 + 2704 = 6497^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 42213713 - 2² = 42213709 is a prime.

It is not a weakly prime, because it can be changed into another prime (42213719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106856 + 21106857.

It is an arithmetic number, because the mean of its divisors is an integer number (21106857).

Almost surely, 2^42213713 is an apocalyptic number.

It is an amenable number.

42213713 is a deficient number, since it is larger than the sum of its proper divisors (1).

42213713 is an equidigital number, since it uses as much as digits as its factorization.

42213713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 23.

The square root of 42213713 is about 6497.2080927118. The cubic root of 42213713 is about 348.1912483148.

Adding to 42213713 its reverse (31731224), we get a palindrome (73944937).

The spelling of 42213713 in words is "forty-two million, two hundred thirteen thousand, seven hundred thirteen".