42982319 has 2 divisors, whose sum is σ = 42982320. Its totient is φ = 42982318.

The previous prime is 42982259. The next prime is 42982333. The reversal of 42982319 is 91328924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42982319 - 2¹² = 42978223 is a prime.

It is a super-2 number, since 2×42982319² = 3694959493235522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42982519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21491159 + 21491160.

It is an arithmetic number, because the mean of its divisors is an integer number (21491160).

Almost surely, 2^42982319 is an apocalyptic number.

42982319 is a deficient number, since it is larger than the sum of its proper divisors (1).

42982319 is an equidigital number, since it uses as much as digits as its factorization.

42982319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 42982319 is about 6556.0902220760. The cubic root of 42982319 is about 350.2917811758.

The spelling of 42982319 in words is "forty-two million, nine hundred eighty-two thousand, three hundred nineteen".