900525009 has 8 divisors (see below), whose sum is σ = 1202558400. Its totient is φ = 599420816.

The previous prime is 900524971. The next prime is 900525013.

900525009 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 900525009 - 2⁸ = 900524753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (900525089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230034 + ... + 233915.

It is an arithmetic number, because the mean of its divisors is an integer number (150319800).

Almost surely, 2^900525009 is an apocalyptic number.

It is an amenable number.

900525009 is a deficient number, since it is larger than the sum of its proper divisors (302033391).

900525009 is a wasteful number, since it uses less digits than its factorization.

900525009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464599.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 900525009 is about 30008.7488742866. The cubic root of 900525009 is about 965.6770853777.

The spelling of 900525009 in words is "nine hundred million, five hundred twenty-five thousand, nine".