3619487225 has 12 divisors (see below), whose sum is σ = 4494085500. Its totient is φ = 2891769600.

The previous prime is 3619487191. The next prime is 3619487239. The reversal of 3619487225 is 5227849163.

It can be written as a sum of positive squares in 6 ways, for example, as 128686336 + 3490800889 = 11344^2 + 59083^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3619487225 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3619487225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76100 + ... + 114149.

It is an arithmetic number, because the mean of its divisors is an integer number (374507125).

Almost surely, 2^3619487225 is an apocalyptic number.

It is an amenable number.

3619487225 is a deficient number, since it is larger than the sum of its proper divisors (874598275).

3619487225 is a wasteful number, since it uses less digits than its factorization.

3619487225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191020 (or 191015 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 3619487225 is about 60162.1743706126. The cubic root of 3619487225 is about 1535.3793055151.

The spelling of 3619487225 in words is "three billion, six hundred nineteen million, four hundred eighty-seven thousand, two hundred twenty-five".