1089522253 has 4 divisors (see below), whose sum is σ = 1099517980. Its totient is φ = 1079526528.

The previous prime is 1089522251. The next prime is 1089522271. The reversal of 1089522253 is 3522259801.

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 611968644 + 477553609 = 24738^2 + 21853^2 .

It is a cyclic number.

It is not a de Polignac number, because 1089522253 - 2¹ = 1089522251 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 (1089522251) 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, 4997700 + ... + 4997917.

It is an arithmetic number, because the mean of its divisors is an integer number (274879495).

Almost surely, 2^1089522253 is an apocalyptic number.

It is an amenable number.

1089522253 is a deficient number, since it is larger than the sum of its proper divisors (9995727).

1089522253 is an equidigital number, since it uses as much as digits as its factorization.

1089522253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9995726.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1089522253 is about 33007.9119757673. The cubic root of 1089522253 is about 1028.9920868845.

The spelling of 1089522253 in words is "one billion, eighty-nine million, five hundred twenty-two thousand, two hundred fifty-three".