20141249 has 2 divisors, whose sum is σ = 20141250. Its totient is φ = 20141248.

The previous prime is 20141221. The next prime is 20141263. The reversal of 20141249 is 94214102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17581249 + 2560000 = 4193^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 20141249 - 2¹² = 20137153 is a prime.

It is a super-2 number, since 2×20141249² = 811339822560002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20141269) 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, 10070624 + 10070625.

It is an arithmetic number, because the mean of its divisors is an integer number (10070625).

Almost surely, 2^20141249 is an apocalyptic number.

It is an amenable number.

20141249 is a deficient number, since it is larger than the sum of its proper divisors (1).

20141249 is an equidigital number, since it uses as much as digits as its factorization.

20141249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 20141249 is about 4487.9002885537. The cubic root of 20141249 is about 272.0792778212.

The spelling of 20141249 in words is "twenty million, one hundred forty-one thousand, two hundred forty-nine".