1925800900 has 18 divisors (see below), whose sum is σ = 4178988170. Its totient is φ = 770320320.

The previous prime is 1925800871. The next prime is 1925800909. The reversal of 1925800900 is 90085291.

It can be written as a sum of positive squares in 3 ways, for example, as 23270976 + 1902529924 = 4824^2 + 43618^2 .

It is not an unprimeable number, because it can be changed into a prime (1925800909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9628905 + ... + 9629104.

Almost surely, 2^1925800900 is an apocalyptic number.

1925800900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1925800900 is an abundant number, since it is smaller than the sum of its proper divisors (2253187270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1925800900 is a wasteful number, since it uses less digits than its factorization.

1925800900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19258023 (or 19258016 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1925800900 is about 43883.9480903895. The cubic root of 1925800900 is about 1244.1434622926.

The spelling of 1925800900 in words is "one billion, nine hundred twenty-five million, eight hundred thousand, nine hundred".