425587128 has 32 divisors (see below), whose sum is σ = 1064793600. Its totient is φ = 141752288.

The previous prime is 425587109. The next prime is 425587133. The reversal of 425587128 is 821785524.

It is a super-2 number, since 2×425587128² = 362248807038576768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425587128.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28375 + ... + 40697.

It is an arithmetic number, because the mean of its divisors is an integer number (33274800).

Almost surely, 2^425587128 is an apocalyptic number.

It is an amenable number.

425587128 is an abundant number, since it is smaller than the sum of its proper divisors (639206472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425587128 is a wasteful number, since it uses less digits than its factorization.

425587128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771 (or 13767 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 425587128 is about 20629.7631590864. The cubic root of 425587128 is about 752.1933588717.

The spelling of 425587128 in words is "four hundred twenty-five million, five hundred eighty-seven thousand, one hundred twenty-eight".