442425925 has 24 divisors (see below), whose sum is σ = 590939360. Its totient is φ = 327499200.

The previous prime is 442425913. The next prime is 442425937. The reversal of 442425925 is 529524244.

It is an interprime number because it is at equal distance from previous prime (442425913) and next prime (442425937).

It is not a de Polignac number, because 442425925 - 2⁹ = 442425413 is a prime.

It is a super-2 number, since 2×442425925² = 391481398224211250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9595 + ... + 31255.

Almost surely, 2^442425925 is an apocalyptic number.

It is an amenable number.

442425925 is a deficient number, since it is larger than the sum of its proper divisors (148513435).

442425925 is a wasteful number, since it uses less digits than its factorization.

442425925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21733 (or 21728 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 442425925 is about 21033.9231956380. The cubic root of 442425925 is about 761.9857609462.

The spelling of 442425925 in words is "four hundred forty-two million, four hundred twenty-five thousand, nine hundred twenty-five".