19852201 has 2 divisors, whose sum is σ = 19852202. Its totient is φ = 19852200.

The previous prime is 19852199. The next prime is 19852213. The reversal of 19852201 is 10225891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11155600 + 8696601 = 3340^2 + 2949^2 .

It is a cyclic number.

It is not a de Polignac number, because 19852201 - 2¹ = 19852199 is a prime.

Together with 19852199, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 19852201.

It is not a weakly prime, because it can be changed into another prime (19852901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9926100 + 9926101.

It is an arithmetic number, because the mean of its divisors is an integer number (9926101).

Almost surely, 2^19852201 is an apocalyptic number.

It is an amenable number.

19852201 is a deficient number, since it is larger than the sum of its proper divisors (1).

19852201 is an equidigital number, since it uses as much as digits as its factorization.

19852201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 19852201 is about 4455.5808824439. The cubic root of 19852201 is about 270.7714607590.

It can be divided in two parts, 1985 and 2201, that added together give a triangular number (4186 = T₉₁).

The spelling of 19852201 in words is "nineteen million, eight hundred fifty-two thousand, two hundred one".