42881299 has 2 divisors, whose sum is σ = 42881300. Its totient is φ = 42881298.

The previous prime is 42881297. The next prime is 42881329. The reversal of 42881299 is 99218824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42881299 - 2¹ = 42881297 is a prime.

Together with 42881297, it forms a pair of twin primes.

It is equal to p_2597848 and since 42881299 and 2597848 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42881291) 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, 21440649 + 21440650.

It is an arithmetic number, because the mean of its divisors is an integer number (21440650).

Almost surely, 2^42881299 is an apocalyptic number.

42881299 is a deficient number, since it is larger than the sum of its proper divisors (1).

42881299 is an equidigital number, since it uses as much as digits as its factorization.

42881299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 43.

The square root of 42881299 is about 6548.3814030644. The cubic root of 42881299 is about 350.0171392967.

The spelling of 42881299 in words is "forty-two million, eight hundred eighty-one thousand, two hundred ninety-nine".