42103349 has 4 divisors (see below), whose sum is σ = 42133260. Its totient is φ = 42073440.

The previous prime is 42103337. The next prime is 42103357. The reversal of 42103349 is 94330124.

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 16144324 + 25959025 = 4018^2 + 5095^2 .

It is a cyclic number.

It is not a de Polignac number, because 42103349 - 2⁸ = 42103093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103309) 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 in 3 ways as a sum of consecutive naturals, for example, 12734 + ... + 15695.

It is an arithmetic number, because the mean of its divisors is an integer number (10533315).

Almost surely, 2^42103349 is an apocalyptic number.

It is an amenable number.

42103349 is a deficient number, since it is larger than the sum of its proper divisors (29911).

42103349 is a wasteful number, since it uses less digits than its factorization.

42103349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29910.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42103349 is about 6488.7093477825. The cubic root of 42103349 is about 347.8875451372.

The spelling of 42103349 in words is "forty-two million, one hundred three thousand, three hundred forty-nine".