442052525 has 12 divisors (see below), whose sum is σ = 571978272. Its totient is φ = 338265840.

The previous prime is 442052521. The next prime is 442052551. The reversal of 442052525 is 525250244.

It is not a de Polignac number, because 442052525 - 2² = 442052521 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 (442052521) 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, 383819 + ... + 384968.

It is an arithmetic number, because the mean of its divisors is an integer number (47664856).

Almost surely, 2^442052525 is an apocalyptic number.

It is an amenable number.

442052525 is a deficient number, since it is larger than the sum of its proper divisors (129925747).

442052525 is a wasteful number, since it uses less digits than its factorization.

442052525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768820 (or 768815 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 442052525 is about 21025.0451842558. The cubic root of 442052525 is about 761.7713329109.

The spelling of 442052525 in words is "four hundred forty-two million, fifty-two thousand, five hundred twenty-five".