19875050 has 24 divisors (see below), whose sum is σ = 39812556. Its totient is φ = 7338240.

The previous prime is 19875047. The next prime is 19875103. The reversal of 19875050 is 5057891.

It can be written as a sum of positive squares in 6 ways, for example, as 2627641 + 17247409 = 1621^2 + 4153^2 .

It is a super-2 number, since 2×19875050² = 790035225005000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19875050.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14639 + ... + 15938.

Almost surely, 2^19875050 is an apocalyptic number.

19875050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19875050 is an abundant number, since it is smaller than the sum of its proper divisors (19937506).

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

19875050 is a wasteful number, since it uses less digits than its factorization.

19875050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30602 (or 30597 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 19875050 is about 4458.1442327498. The cubic root of 19875050 is about 270.8753028976.

The spelling of 19875050 in words is "nineteen million, eight hundred seventy-five thousand, fifty".