1053233021 has 2 divisors, whose sum is σ = 1053233022. Its totient is φ = 1053233020.

The previous prime is 1053232937. The next prime is 1053233033. The reversal of 1053233021 is 1203323501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040772121 + 12460900 = 32261^2 + 3530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053233021 is a prime.

It is a super-2 number, since 2×1053233021² = 2218599593049572882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053232984 and 1053233002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053232021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526616510 + 526616511.

It is an arithmetic number, because the mean of its divisors is an integer number (526616511).

Almost surely, 2^1053233021 is an apocalyptic number.

It is an amenable number.

1053233021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053233021 is an equidigital number, since it uses as much as digits as its factorization.

1053233021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1053233021 is about 32453.5517470738. The cubic root of 1053233021 is about 1017.4384723343.

Adding to 1053233021 its reverse (1203323501), we get a palindrome (2256556522).

The spelling of 1053233021 in words is "one billion, fifty-three million, two hundred thirty-three thousand, twenty-one".