42103249 has 2 divisors, whose sum is σ = 42103250. Its totient is φ = 42103248.

The previous prime is 42103231. The next prime is 42103267. The reversal of 42103249 is 94230124.

It is a balanced prime because it is at equal distance from previous prime (42103231) and next prime (42103267).

It can be written as a sum of positive squares in only one way, i.e., 28729600 + 13373649 = 5360^2 + 3657^2 .

It is a cyclic number.

It is not a de Polignac number, because 42103249 - 2²¹ = 40006097 is a prime.

It is not a weakly prime, because it can be changed into another prime (42103219) 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, 21051624 + 21051625.

It is an arithmetic number, because the mean of its divisors is an integer number (21051625).

Almost surely, 2^42103249 is an apocalyptic number.

It is an amenable number.

42103249 is a deficient number, since it is larger than the sum of its proper divisors (1).

42103249 is an equidigital number, since it uses as much as digits as its factorization.

42103249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 42103249 is about 6488.7016420853. The cubic root of 42103249 is about 347.8872697135.

The spelling of 42103249 in words is "forty-two million, one hundred three thousand, two hundred forty-nine".