900842025 has 12 divisors (see below), whose sum is σ = 1489392272. Its totient is φ = 480449040.

The previous prime is 900842021. The next prime is 900842027. The reversal of 900842025 is 520248009.

It is not a de Polignac number, because 900842025 - 2² = 900842021 is a prime.

It is a super-2 number, since 2×900842025² = 1623032708012201250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 900841983 and 900842001.

It is not an unprimeable number, because it can be changed into a prime (900842021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6005539 + ... + 6005688.

Almost surely, 2^900842025 is an apocalyptic number.

It is an amenable number.

900842025 is a deficient number, since it is larger than the sum of its proper divisors (588550247).

900842025 is a wasteful number, since it uses less digits than its factorization.

900842025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011240 (or 12011235 counting only the distinct ones).

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

The square root of 900842025 is about 30014.0304690989. The cubic root of 900842025 is about 965.7903893457.

The spelling of 900842025 in words is "nine hundred million, eight hundred forty-two thousand, twenty-five".