344112521 has 16 divisors (see below), whose sum is σ = 384963840. Its totient is φ = 306028800.

The previous prime is 344112479. The next prime is 344112523. The reversal of 344112521 is 125211443.

It is a cyclic number.

It is not a de Polignac number, because 344112521 - 2¹⁰ = 344111497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344112523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15746 + ... + 30596.

It is an arithmetic number, because the mean of its divisors is an integer number (24060240).

Almost surely, 2^344112521 is an apocalyptic number.

It is an amenable number.

344112521 is a deficient number, since it is larger than the sum of its proper divisors (40851319).

344112521 is a wasteful number, since it uses less digits than its factorization.

344112521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14944.

The product of its digits is 960, while the sum is 23.

The square root of 344112521 is about 18550.2701058502. The cubic root of 344112521 is about 700.7560002324.

Adding to 344112521 its reverse (125211443), we get a palindrome (469323964).

The spelling of 344112521 in words is "three hundred forty-four million, one hundred twelve thousand, five hundred twenty-one".