900561025 has 24 divisors (see below), whose sum is σ = 1374398144. Its totient is φ = 570024000.

The previous prime is 900561017. The next prime is 900561029. The reversal of 900561025 is 520165009.

900561025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 900561025 - 2³ = 900561017 is a prime.

It is a super-2 number, since 2×900561025² = 1622020319498101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 900560984 and 900561002.

It is not an unprimeable number, because it can be changed into a prime (900561029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195651 + ... + 200200.

Almost surely, 2^900561025 is an apocalyptic number.

It is an amenable number.

900561025 is a deficient number, since it is larger than the sum of its proper divisors (473837119).

900561025 is a wasteful number, since it uses less digits than its factorization.

900561025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395881 (or 395876 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 900561025 is about 30009.3489599491. The cubic root of 900561025 is about 965.6899591131.

The spelling of 900561025 in words is "nine hundred million, five hundred sixty-one thousand, twenty-five".