1915415425 has 48 divisors (see below), whose sum is σ = 2972559744. Its totient is φ = 1189440000.

The previous prime is 1915415419. The next prime is 1915415429. The reversal of 1915415425 is 5245145191.

It is not a de Polignac number, because 1915415425 - 2⁹ = 1915414913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1915415429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 539155 + ... + 542695.

It is an arithmetic number, because the mean of its divisors is an integer number (61928328).

Almost surely, 2^1915415425 is an apocalyptic number.

It is an amenable number.

1915415425 is a deficient number, since it is larger than the sum of its proper divisors (1057144319).

1915415425 is a wasteful number, since it uses less digits than its factorization.

1915415425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850 (or 3845 counting only the distinct ones).

The product of its digits is 36000, while the sum is 37.

The square root of 1915415425 is about 43765.4592686973. The cubic root of 1915415425 is about 1241.9029541961.

The spelling of 1915415425 in words is "one billion, nine hundred fifteen million, four hundred fifteen thousand, four hundred twenty-five".