442250313 has 16 divisors (see below), whose sum is σ = 618104256. Its totient is φ = 280949760.

The previous prime is 442250299. The next prime is 442250351. The reversal of 442250313 is 313052244.

It is not a de Polignac number, because 442250313 - 2⁴ = 442250297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442250383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36520 + ... + 47097.

It is an arithmetic number, because the mean of its divisors is an integer number (38631516).

Almost surely, 2^442250313 is an apocalyptic number.

442250313 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

442250313 is a deficient number, since it is larger than the sum of its proper divisors (175853943).

442250313 is a wasteful number, since it uses less digits than its factorization.

442250313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83704.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 442250313 is about 21029.7482866534. The cubic root of 442250313 is about 761.8849293382.

The spelling of 442250313 in words is "four hundred forty-two million, two hundred fifty thousand, three hundred thirteen".