42962813 has 2 divisors, whose sum is σ = 42962814. Its totient is φ = 42962812.

The previous prime is 42962779. The next prime is 42962851. The reversal of 42962813 is 31826924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31382404 + 11580409 = 5602^2 + 3403^2 .

It is a cyclic number.

It is not a de Polignac number, because 42962813 - 2¹⁴ = 42946429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42962863) 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, 21481406 + 21481407.

It is an arithmetic number, because the mean of its divisors is an integer number (21481407).

Almost surely, 2^42962813 is an apocalyptic number.

It is an amenable number.

42962813 is a deficient number, since it is larger than the sum of its proper divisors (1).

42962813 is an equidigital number, since it uses as much as digits as its factorization.

42962813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 42962813 is about 6554.6024288282. The cubic root of 42962813 is about 350.2387839937.

The spelling of 42962813 in words is "forty-two million, nine hundred sixty-two thousand, eight hundred thirteen".