442693525 has 12 divisors (see below), whose sum is σ = 549201952. Its totient is φ = 353985840.

The previous prime is 442693519. The next prime is 442693529. The reversal of 442693525 is 525396244.

It is not a de Polignac number, because 442693525 - 2¹⁷ = 442562453 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442693529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93874 + ... + 98476.

Almost surely, 2^442693525 is an apocalyptic number.

It is an amenable number.

442693525 is a deficient number, since it is larger than the sum of its proper divisors (106508427).

442693525 is a wasteful number, since it uses less digits than its factorization.

442693525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460 (or 8455 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 442693525 is about 21040.2833868748. The cubic root of 442693525 is about 762.1393582537.

The spelling of 442693525 in words is "four hundred forty-two million, six hundred ninety-three thousand, five hundred twenty-five".