1904914225 has 12 divisors (see below), whose sum is σ = 2364062976. Its totient is φ = 1522660880.

The previous prime is 1904914201. The next prime is 1904914229. The reversal of 1904914225 is 5224194091.

It is a de Polignac number, because none of the positive numbers 2^k-1904914225 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1904914229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577 + ... + 61726.

It is an arithmetic number, because the mean of its divisors is an integer number (197005248).

Almost surely, 2^1904914225 is an apocalyptic number.

It is an amenable number.

1904914225 is a deficient number, since it is larger than the sum of its proper divisors (459148751).

1904914225 is a wasteful number, since it uses less digits than its factorization.

1904914225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63536 (or 63531 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1904914225 is about 43645.3230598652. The cubic root of 1904914225 is about 1239.6292303291.

The spelling of 1904914225 in words is "one billion, nine hundred four million, nine hundred fourteen thousand, two hundred twenty-five".