19141249 has 4 divisors (see below), whose sum is σ = 19173700. Its totient is φ = 19108800.

The previous prime is 19141231. The next prime is 19141259. The reversal of 19141249 is 94214191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13104400 + 6036849 = 3620^2 + 2457^2 .

It is a cyclic number.

It is not a de Polignac number, because 19141249 - 2¹⁷ = 19010177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19141249.

It is not an unprimeable number, because it can be changed into a prime (19141259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15324 + ... + 16525.

It is an arithmetic number, because the mean of its divisors is an integer number (4793425).

Almost surely, 2^19141249 is an apocalyptic number.

It is an amenable number.

19141249 is a deficient number, since it is larger than the sum of its proper divisors (32451).

19141249 is an equidigital number, since it uses as much as digits as its factorization.

19141249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32450.

The product of its digits is 2592, while the sum is 31.

The square root of 19141249 is about 4375.0713137045. The cubic root of 19141249 is about 267.4997769818.

The spelling of 19141249 in words is "nineteen million, one hundred forty-one thousand, two hundred forty-nine".