1053320453 has 2 divisors, whose sum is σ = 1053320454. Its totient is φ = 1053320452.

The previous prime is 1053320441. The next prime is 1053320491. The reversal of 1053320453 is 3540233501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 949749124 + 103571329 = 30818^2 + 10177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053320453 - 2⁸ = 1053320197 is a prime.

It is a super-2 number, since 2×1053320453² = 2218967953416250418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053320353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526660226 + 526660227.

It is an arithmetic number, because the mean of its divisors is an integer number (526660227).

Almost surely, 2^1053320453 is an apocalyptic number.

It is an amenable number.

1053320453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053320453 is an equidigital number, since it uses as much as digits as its factorization.

1053320453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1053320453 is about 32454.8987519604. The cubic root of 1053320453 is about 1017.4666250847.

Adding to 1053320453 its reverse (3540233501), we get a palindrome (4593553954).

The spelling of 1053320453 in words is "one billion, fifty-three million, three hundred twenty thousand, four hundred fifty-three".