442524973 has 4 divisors (see below), whose sum is σ = 482754528. Its totient is φ = 402295420.

The previous prime is 442524967. The next prime is 442524983. The reversal of 442524973 is 379425244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442524973 - 2⁵ = 442524941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442524983) 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 3 ways as a sum of consecutive naturals, for example, 20114761 + ... + 20114782.

It is an arithmetic number, because the mean of its divisors is an integer number (120688632).

Almost surely, 2^442524973 is an apocalyptic number.

It is an amenable number.

442524973 is a deficient number, since it is larger than the sum of its proper divisors (40229555).

442524973 is a wasteful number, since it uses less digits than its factorization.

442524973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40229554.

The product of its digits is 241920, while the sum is 40.

The square root of 442524973 is about 21036.2775461820. The cubic root of 442524973 is about 762.0426198310.

The spelling of 442524973 in words is "four hundred forty-two million, five hundred twenty-four thousand, nine hundred seventy-three".