442870025 has 24 divisors (see below), whose sum is σ = 592462080. Its totient is φ = 326456640.

The previous prime is 442870013. The next prime is 442870039. The reversal of 442870025 is 520078244.

It is not a de Polignac number, because 442870025 - 2¹⁰ = 442869001 is a prime.

It is a super-2 number, since 2×442870025² = 392267718087001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442869973 and 442870000.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 279686 + ... + 281264.

It is an arithmetic number, because the mean of its divisors is an integer number (24685920).

Almost surely, 2^442870025 is an apocalyptic number.

It is an amenable number.

442870025 is a deficient number, since it is larger than the sum of its proper divisors (149592055).

442870025 is a wasteful number, since it uses less digits than its factorization.

442870025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465 (or 2460 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 442870025 is about 21044.4773040339. The cubic root of 442870025 is about 762.2406320213.

The spelling of 442870025 in words is "four hundred forty-two million, eight hundred seventy thousand, twenty-five".