342033521 has 8 divisors (see below), whose sum is σ = 350935200. Its totient is φ = 333158560.

The previous prime is 342033493. The next prime is 342033551. The reversal of 342033521 is 125330243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342033521 - 2⁶ = 342033457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342033551) 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 7 ways as a sum of consecutive naturals, for example, 20690 + ... + 33348.

It is an arithmetic number, because the mean of its divisors is an integer number (43866900).

Almost surely, 2^342033521 is an apocalyptic number.

It is an amenable number.

342033521 is a deficient number, since it is larger than the sum of its proper divisors (8901679).

342033521 is a wasteful number, since it uses less digits than its factorization.

342033521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13359.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 342033521 is about 18494.1482907432. The cubic root of 342033521 is about 699.3419128025.

Adding to 342033521 its reverse (125330243), we get a palindrome (467363764).

The spelling of 342033521 in words is "three hundred forty-two million, thirty-three thousand, five hundred twenty-one".