442534625 has 16 divisors (see below), whose sum is σ = 594768720. Its totient is φ = 326793600.

The previous prime is 442534613. The next prime is 442534639. The reversal of 442534625 is 526435244.

It can be written as a sum of positive squares in 8 ways, for example, as 321556624 + 120978001 = 17932^2 + 10999^2 .

It is not a de Polignac number, because 442534625 - 2¹⁰ = 442533601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134540 + ... + 137789.

It is an arithmetic number, because the mean of its divisors is an integer number (37173045).

Almost surely, 2^442534625 is an apocalyptic number.

It is an amenable number.

442534625 is a deficient number, since it is larger than the sum of its proper divisors (152234095).

442534625 is a wasteful number, since it uses less digits than its factorization.

442534625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272357 (or 272347 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The square root of 442534625 is about 21036.5069581430. The cubic root of 442534625 is about 762.0481601450.

Adding to 442534625 its reverse (526435244), we get a palindrome (968969869).

The spelling of 442534625 in words is "four hundred forty-two million, five hundred thirty-four thousand, six hundred twenty-five".