1053325021 has 24 divisors (see below), whose sum is σ = 1314182880. Its totient is φ = 839153952.

The previous prime is 1053325001. The next prime is 1053325069. The reversal of 1053325021 is 1205233501.

It is not a de Polignac number, because 1053325021 - 2¹⁷ = 1053193949 is a prime.

It is a super-2 number, since 2×1053325021² = 2218987199729300882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053324983 and 1053325001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053325001) 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 23 ways as a sum of consecutive naturals, for example, 38670 + ... + 60016.

It is an arithmetic number, because the mean of its divisors is an integer number (54757620).

Almost surely, 2^1053325021 is an apocalyptic number.

It is an amenable number.

1053325021 is a deficient number, since it is larger than the sum of its proper divisors (260857859).

1053325021 is a wasteful number, since it uses less digits than its factorization.

1053325021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21433 (or 21426 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1053325021 is about 32454.9691264681. The cubic root of 1053325021 is about 1017.4680959194.

Adding to 1053325021 its reverse (1205233501), we get a palindrome (2258558522).

The spelling of 1053325021 in words is "one billion, fifty-three million, three hundred twenty-five thousand, twenty-one".