2021352293 has 2 divisors, whose sum is σ = 2021352294. Its totient is φ = 2021352292.

The previous prime is 2021352269. The next prime is 2021352329. The reversal of 2021352293 is 3922531202.

Together with next prime (2021352329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1676247364 + 345104929 = 40942^2 + 18577^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021352293 - 2²⁶ = 1954243429 is a prime.

It is a super-3 number, since 3×2021352293³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021352253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010676146 + 1010676147.

It is an arithmetic number, because the mean of its divisors is an integer number (1010676147).

Almost surely, 2^2021352293 is an apocalyptic number.

It is an amenable number.

2021352293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021352293 is an equidigital number, since it uses as much as digits as its factorization.

2021352293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2021352293 is about 44959.4516536846. The cubic root of 2021352293 is about 1264.3888882202.

Adding to 2021352293 its reverse (3922531202), we get a palindrome (5943883495).

The spelling of 2021352293 in words is "two billion, twenty-one million, three hundred fifty-two thousand, two hundred ninety-three".