1053235221 has 16 divisors (see below), whose sum is σ = 1489912704. Its totient is φ = 659523584.

The previous prime is 1053235217. The next prime is 1053235237. The reversal of 1053235221 is 1225323501.

It is a happy number.

1053235221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1053235221 - 2² = 1053235217 is a prime.

It is a super-2 number, since 2×1053235221² = 2218608861509837682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053235191 and 1053235200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053235201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5125 + ... + 46181.

It is an arithmetic number, because the mean of its divisors is an integer number (93119544).

Almost surely, 2^1053235221 is an apocalyptic number.

It is an amenable number.

1053235221 is a deficient number, since it is larger than the sum of its proper divisors (436677483).

1053235221 is a wasteful number, since it uses less digits than its factorization.

1053235221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41580.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1053235221 is about 32453.5856416514. The cubic root of 1053235221 is about 1017.4391807445.

Adding to 1053235221 its reverse (1225323501), we get a palindrome (2278558722).

It can be divided in two parts, 10532 and 35221, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 1053235221 in words is "one billion, fifty-three million, two hundred thirty-five thousand, two hundred twenty-one".