2021373252 has 48 divisors (see below), whose sum is σ = 5269924800. Its totient is φ = 670020480.

The previous prime is 2021373241. The next prime is 2021373257. The reversal of 2021373252 is 2523731202.

It is a happy number.

2021373252 is a `hidden beast` number, since 20 + 21 + 373 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2021373257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32949 + ... + 71612.

It is an arithmetic number, because the mean of its divisors is an integer number (109790100).

Almost surely, 2^2021373252 is an apocalyptic number.

It is an amenable number.

2021373252 is an abundant number, since it is smaller than the sum of its proper divisors (3248551548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021373252 is a wasteful number, since it uses less digits than its factorization.

2021373252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104753 (or 104745 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2021373252 is about 44959.6847408876. The cubic root of 2021373252 is about 1264.3932582708.

The spelling of 2021373252 in words is "two billion, twenty-one million, three hundred seventy-three thousand, two hundred fifty-two".