2021054253 has 4 divisors (see below), whose sum is σ = 2694739008. Its totient is φ = 1347369500.

The previous prime is 2021054227. The next prime is 2021054281. The reversal of 2021054253 is 3524501202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2021054253 - 2⁵ = 2021054221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021054213) 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, 336842373 + ... + 336842378.

It is an arithmetic number, because the mean of its divisors is an integer number (673684752).

Almost surely, 2^2021054253 is an apocalyptic number.

It is an amenable number.

2021054253 is a deficient number, since it is larger than the sum of its proper divisors (673684755).

2021054253 is an equidigital number, since it uses as much as digits as its factorization.

2021054253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673684754.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2021054253 is about 44956.1369892921. The cubic root of 2021054253 is about 1264.3267422024.

Adding to 2021054253 its reverse (3524501202), we get a palindrome (5545555455).

The spelling of 2021054253 in words is "two billion, twenty-one million, fifty-four thousand, two hundred fifty-three".