900925481 has 4 divisors (see below), whose sum is σ = 900997632. Its totient is φ = 900853332.

The previous prime is 900925477. The next prime is 900925499. The reversal of 900925481 is 184529009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 900925481 - 2² = 900925477 is a prime.

It is a super-2 number, since 2×900925481² = 1623333444630162722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900925411) 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 3 ways as a sum of consecutive naturals, for example, 11981 + ... + 44106.

It is an arithmetic number, because the mean of its divisors is an integer number (225249408).

Almost surely, 2^900925481 is an apocalyptic number.

It is an amenable number.

900925481 is a deficient number, since it is larger than the sum of its proper divisors (72151).

900925481 is a wasteful number, since it uses less digits than its factorization.

900925481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72150.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 900925481 is about 30015.4207200232. The cubic root of 900925481 is about 965.8202127449.

The spelling of 900925481 in words is "nine hundred million, nine hundred twenty-five thousand, four hundred eighty-one".