19000052 has 6 divisors (see below), whose sum is σ = 33250098. Its totient is φ = 9500024.

The previous prime is 19000043. The next prime is 19000073. The reversal of 19000052 is 25000091.

It can be written as a sum of positive squares in only one way, i.e., 17926756 + 1073296 = 4234^2 + 1036^2 .

It is a super-2 number, since 2×19000052² = 722003952005408, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2375003 + ... + 2375010.

It is an arithmetic number, because the mean of its divisors is an integer number (5541683).

Almost surely, 2^19000052 is an apocalyptic number.

It is an amenable number.

19000052 is a deficient number, since it is larger than the sum of its proper divisors (14250046).

19000052 is a wasteful number, since it uses less digits than its factorization.

19000052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750017 (or 4750015 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 19000052 is about 4358.9049083457. The cubic root of 19000052 is about 266.8404083051.

The spelling of 19000052 in words is "nineteen million, fifty-two", and thus it is an aban number and an uban number.