19841252 has 6 divisors (see below), whose sum is σ = 34722198. Its totient is φ = 9920624.

The previous prime is 19841251. The next prime is 19841257. The reversal of 19841252 is 25214891.

It can be written as a sum of positive squares in only one way, i.e., 19838116 + 3136 = 4454^2 + 56^2 .

It is not an unprimeable number, because it can be changed into a prime (19841251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480153 + ... + 2480160.

It is an arithmetic number, because the mean of its divisors is an integer number (5787033).

Almost surely, 2^19841252 is an apocalyptic number.

It is an amenable number.

19841252 is a deficient number, since it is larger than the sum of its proper divisors (14880946).

19841252 is a wasteful number, since it uses less digits than its factorization.

19841252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960317 (or 4960315 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 19841252 is about 4454.3520291957. The cubic root of 19841252 is about 270.7216724605.

The spelling of 19841252 in words is "nineteen million, eight hundred forty-one thousand, two hundred fifty-two".