334013521 has 16 divisors (see below), whose sum is σ = 367747200. Its totient is φ = 301961088.

The previous prime is 334013509. The next prime is 334013543. The reversal of 334013521 is 125310433.

It is a cyclic number.

It is not a de Polignac number, because 334013521 - 2⁵ = 334013489 is a prime.

It is a super-2 number, since 2×334013521² = 223130064421634882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 334013492 and 334013501.

It is not an unprimeable number, because it can be changed into a prime (334013321) 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, 295285 + ... + 296413.

It is an arithmetic number, because the mean of its divisors is an integer number (22984200).

Almost surely, 2^334013521 is an apocalyptic number.

It is an amenable number.

334013521 is a deficient number, since it is larger than the sum of its proper divisors (33733679).

334013521 is a wasteful number, since it uses less digits than its factorization.

334013521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 334013521 is about 18276.0367968551. The cubic root of 334013521 is about 693.8325697139.

Adding to 334013521 its reverse (125310433), we get a palindrome (459323954).

It can be divided in two parts, 3340 and 13521, that added together give a palindrome (16861).

The spelling of 334013521 in words is "three hundred thirty-four million, thirteen thousand, five hundred twenty-one".