1053026021 has 2 divisors, whose sum is σ = 1053026022. Its totient is φ = 1053026020.

The previous prime is 1053026003. The next prime is 1053026057. The reversal of 1053026021 is 1206203501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009650625 + 43375396 = 31775^2 + 6586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053026021 - 2²⁶ = 985917157 is a prime.

It is a super-2 number, since 2×1053026021² = 2217727601806184882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053025984 and 1053026002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053026621) 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 as a sum of consecutive naturals, namely, 526513010 + 526513011.

It is an arithmetic number, because the mean of its divisors is an integer number (526513011).

Almost surely, 2^1053026021 is an apocalyptic number.

It is an amenable number.

1053026021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053026021 is an equidigital number, since it uses as much as digits as its factorization.

1053026021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1053026021 is about 32450.3624170825. The cubic root of 1053026021 is about 1017.3718129599.

Adding to 1053026021 its reverse (1206203501), we get a palindrome (2259229522).

The spelling of 1053026021 in words is "one billion, fifty-three million, twenty-six thousand, twenty-one".