1105253453 has 4 divisors (see below), whose sum is σ = 1170268380. Its totient is φ = 1040238528.

The previous prime is 1105253437. The next prime is 1105253489. The reversal of 1105253453 is 3543525011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 606981769 + 498271684 = 24637^2 + 22322^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105253453 - 2⁴ = 1105253437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105252453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32507438 + ... + 32507471.

It is an arithmetic number, because the mean of its divisors is an integer number (292567095).

Almost surely, 2^1105253453 is an apocalyptic number.

It is an amenable number.

1105253453 is a deficient number, since it is larger than the sum of its proper divisors (65014927).

1105253453 is an equidigital number, since it uses as much as digits as its factorization.

1105253453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65014926.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1105253453 is about 33245.3523518702. The cubic root of 1105253453 is about 1033.9208502057.

Adding to 1105253453 its reverse (3543525011), we get a palindrome (4648778464).

The spelling of 1105253453 in words is "one billion, one hundred five million, two hundred fifty-three thousand, four hundred fifty-three".