19852575 has 24 divisors (see below), whose sum is σ = 32997888. Its totient is φ = 10531680.

The previous prime is 19852571. The next prime is 19852577. The reversal of 19852575 is 57525891.

It is not a de Polignac number, because 19852575 - 2² = 19852571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19852571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16132 + ... + 17318.

It is an arithmetic number, because the mean of its divisors is an integer number (1374912).

Almost surely, 2^19852575 is an apocalyptic number.

19852575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19852575 is a deficient number, since it is larger than the sum of its proper divisors (13145313).

19852575 is a wasteful number, since it uses less digits than its factorization.

19852575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423 (or 1418 counting only the distinct ones).

The product of its digits is 126000, while the sum is 42.

The square root of 19852575 is about 4455.6228520825. The cubic root of 19852575 is about 270.7731611227.

It can be divided in two parts, 1985 and 2575, that added together give a triangular number (4560 = T₉₅).

The spelling of 19852575 in words is "nineteen million, eight hundred fifty-two thousand, five hundred seventy-five".