3903903225 has 36 divisors (see below), whose sum is σ = 7064449756. Its totient is φ = 2060605440.

The previous prime is 3903903167. The next prime is 3903903247. The reversal of 3903903225 is 5223093093.

It can be written as a sum of positive squares in 6 ways, for example, as 763085376 + 3140817849 = 27624^2 + 56043^2 .

It is not a de Polignac number, because 3903903225 - 2⁶ = 3903903161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3903903225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67612 + ... + 111261.

Almost surely, 2^3903903225 is an apocalyptic number.

It is an amenable number.

3903903225 is a deficient number, since it is larger than the sum of its proper divisors (3160546531).

3903903225 is a wasteful number, since it uses less digits than its factorization.

3903903225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178986 (or 178978 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 3903903225 is about 62481.2229793880. Note that the first 3 decimals coincide. The cubic root of 3903903225 is about 1574.5858623917.

The spelling of 3903903225 in words is "three billion, nine hundred three million, nine hundred three thousand, two hundred twenty-five".