19852745 has 8 divisors (see below), whose sum is σ = 25989120. Its totient is φ = 14438320.

The previous prime is 19852717. The next prime is 19852747. The reversal of 19852745 is 54725891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19852745 - 2¹⁸ = 19590601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19852747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180425 + ... + 180534.

It is an arithmetic number, because the mean of its divisors is an integer number (3248640).

Almost surely, 2^19852745 is an apocalyptic number.

It is an amenable number.

19852745 is a deficient number, since it is larger than the sum of its proper divisors (6136375).

19852745 is a wasteful number, since it uses less digits than its factorization.

19852745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360975.

The product of its digits is 100800, while the sum is 41.

The square root of 19852745 is about 4455.6419290603. The cubic root of 19852745 is about 270.7739340083.

The spelling of 19852745 in words is "nineteen million, eight hundred fifty-two thousand, seven hundred forty-five".