2903209025 has 24 divisors (see below), whose sum is σ = 3795292800. Its totient is φ = 2196936000.

The previous prime is 2903209021. The next prime is 2903209069. The reversal of 2903209025 is 5209023092.

It is a happy number.

It is not a de Polignac number, because 2903209025 - 2² = 2903209021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2903208982 and 2903209000.

It is not an unprimeable number, because it can be changed into a prime (2903209021) 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, 328616 + ... + 337334.

It is an arithmetic number, because the mean of its divisors is an integer number (158137200).

Almost surely, 2^2903209025 is an apocalyptic number.

2903209025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2903209025 is a deficient number, since it is larger than the sum of its proper divisors (892083775).

2903209025 is a wasteful number, since it uses less digits than its factorization.

2903209025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9449 (or 9444 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2903209025 is about 53881.4348825270. The cubic root of 2903209025 is about 1426.5689541766.

The spelling of 2903209025 in words is "two billion, nine hundred three million, two hundred nine thousand, twenty-five".