2021342452 has 48 divisors (see below), whose sum is σ = 3708536832. Its totient is φ = 963214560.

The previous prime is 2021342447. The next prime is 2021342503. The reversal of 2021342452 is 2542431202.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1257033 + ... + 1258639.

It is an arithmetic number, because the mean of its divisors is an integer number (77261184).

Almost surely, 2^2021342452 is an apocalyptic number.

It is an amenable number.

2021342452 is a deficient number, since it is larger than the sum of its proper divisors (1687194380).

2021342452 is a wasteful number, since it uses less digits than its factorization.

2021342452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 1826 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2021342452 is about 44959.3422104906. The cubic root of 2021342452 is about 1264.3868363148.

Adding to 2021342452 its reverse (2542431202), we get a palindrome (4563773654).

The spelling of 2021342452 in words is "two billion, twenty-one million, three hundred forty-two thousand, four hundred fifty-two".