42484331 has 2 divisors, whose sum is σ = 42484332. Its totient is φ = 42484330.

The previous prime is 42484319. The next prime is 42484349. The reversal of 42484331 is 13348424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42484331 - 2¹⁴ = 42467947 is a prime.

It is a super-2 number, since 2×42484331² = 3609836761035122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42484294 and 42484303.

It is not a weakly prime, because it can be changed into another prime (42481331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21242165 + 21242166.

It is an arithmetic number, because the mean of its divisors is an integer number (21242166).

Almost surely, 2^42484331 is an apocalyptic number.

42484331 is a deficient number, since it is larger than the sum of its proper divisors (1).

42484331 is an equidigital number, since it uses as much as digits as its factorization.

42484331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

The square root of 42484331 is about 6518.0005369745. Note that the first 3 decimals coincide. The cubic root of 42484331 is about 348.9337099022.

The spelling of 42484331 in words is "forty-two million, four hundred eighty-four thousand, three hundred thirty-one".