442462313 has 2 divisors, whose sum is σ = 442462314. Its totient is φ = 442462312.

The previous prime is 442462301. The next prime is 442462327. The reversal of 442462313 is 313264244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434639104 + 7823209 = 20848^2 + 2797^2 .

It is a cyclic number.

It is not a de Polignac number, because 442462313 - 2⁴ = 442462297 is a prime.

It is not a weakly prime, because it can be changed into another prime (442462333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221231156 + 221231157.

It is an arithmetic number, because the mean of its divisors is an integer number (221231157).

Almost surely, 2^442462313 is an apocalyptic number.

It is an amenable number.

442462313 is a deficient number, since it is larger than the sum of its proper divisors (1).

442462313 is an equidigital number, since it uses as much as digits as its factorization.

442462313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 442462313 is about 21034.7881615195. The cubic root of 442462313 is about 762.0066506034.

The spelling of 442462313 in words is "four hundred forty-two million, four hundred sixty-two thousand, three hundred thirteen".