900028425 has 24 divisors (see below), whose sum is σ = 1536052480. Its totient is φ = 464529600.

The previous prime is 900028397. The next prime is 900028429. The reversal of 900028425 is 524820009.

It is not a de Polignac number, because 900028425 - 2⁶ = 900028361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 900028392 and 900028401.

It is not an unprimeable number, because it can be changed into a prime (900028429) 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 23 ways as a sum of consecutive naturals, for example, 191230 + ... + 195879.

Almost surely, 2^900028425 is an apocalyptic number.

It is an amenable number.

900028425 is a deficient number, since it is larger than the sum of its proper divisors (636024055).

900028425 is a wasteful number, since it uses less digits than its factorization.

900028425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387153 (or 387148 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 900028425 is about 30000.4737462594. The cubic root of 900028425 is about 965.4995489563.

The spelling of 900028425 in words is "nine hundred million, twenty-eight thousand, four hundred twenty-five".