3342512021 has 4 divisors (see below), whose sum is σ = 3345812652. Its totient is φ = 3339211392.

The previous prime is 3342511993. The next prime is 3342512027. The reversal of 3342512021 is 1202152433.

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 564062500 + 2778449521 = 23750^2 + 52711^2 .

It is a cyclic number.

It is not a de Polignac number, because 3342512021 - 2³⁰ = 2268770197 is a prime.

It is a super-2 number, since 2×3342512021² = 22344773221059008882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3342512027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648796 + ... + 1650821.

It is an arithmetic number, because the mean of its divisors is an integer number (836453163).

Almost surely, 2^3342512021 is an apocalyptic number.

It is an amenable number.

3342512021 is a deficient number, since it is larger than the sum of its proper divisors (3300631).

3342512021 is a wasteful number, since it uses less digits than its factorization.

3342512021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300630.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3342512021 is about 57814.4620402197. The cubic root of 3342512021 is about 1495.1714394208.

Adding to 3342512021 its reverse (1202152433), we get a palindrome (4544664454).

The spelling of 3342512021 in words is "three billion, three hundred forty-two million, five hundred twelve thousand, twenty-one".