442451125 has 8 divisors (see below), whose sum is σ = 552179160. Its totient is φ = 353960800.

The previous prime is 442451111. The next prime is 442451153. The reversal of 442451125 is 521154244.

It can be written as a sum of positive squares in 4 ways, for example, as 1535121 + 440916004 = 1239^2 + 20998^2 .

It is a de Polignac number, because none of the positive numbers 2^k-442451125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442451093 and 442451102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769680 + ... + 1769929.

It is an arithmetic number, because the mean of its divisors is an integer number (69022395).

Almost surely, 2^442451125 is an apocalyptic number.

It is an amenable number.

442451125 is a deficient number, since it is larger than the sum of its proper divisors (109728035).

442451125 is an equidigital number, since it uses as much as digits as its factorization.

442451125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539624 (or 3539614 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 442451125 is about 21034.5222194373. The cubic root of 442451125 is about 762.0002279078. Note that the first 3 decimals are identical.

The spelling of 442451125 in words is "four hundred forty-two million, four hundred fifty-one thousand, one hundred twenty-five".