442047525 has 48 divisors (see below), whose sum is σ = 755088576. Its totient is φ = 228049920.

The previous prime is 442047523. The next prime is 442047539. The reversal of 442047525 is 525740244.

It is not a de Polignac number, because 442047525 - 2¹ = 442047523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442047523) 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 47 ways as a sum of consecutive naturals, for example, 363819 + ... + 365031.

It is an arithmetic number, because the mean of its divisors is an integer number (15731012).

Almost surely, 2^442047525 is an apocalyptic number.

It is an amenable number.

442047525 is a deficient number, since it is larger than the sum of its proper divisors (313041051).

442047525 is a wasteful number, since it uses less digits than its factorization.

442047525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 442047525 is about 21024.9262781109. The cubic root of 442047525 is about 761.7684608004.

Adding to 442047525 its reverse (525740244), we get a palindrome (967787769).

The spelling of 442047525 in words is "four hundred forty-two million, forty-seven thousand, five hundred twenty-five".