903425945 has 8 divisors (see below), whose sum is σ = 1087812936. Its totient is φ = 720272896.

The previous prime is 903425891. The next prime is 903425981. The reversal of 903425945 is 549524309.

It can be written as a sum of positive squares in 4 ways, for example, as 81342361 + 822083584 = 9019^2 + 28672^2 .

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 903425945 - 2²⁶ = 836317081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306872 + ... + 309801.

It is an arithmetic number, because the mean of its divisors is an integer number (135976617).

Almost surely, 2^903425945 is an apocalyptic number.

It is an amenable number.

903425945 is a deficient number, since it is larger than the sum of its proper divisors (184386991).

903425945 is a wasteful number, since it uses less digits than its factorization.

903425945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616971.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 903425945 is about 30057.0448480884. The cubic root of 903425945 is about 966.7129125055.

The spelling of 903425945 in words is "nine hundred three million, four hundred twenty-five thousand, nine hundred forty-five".