1040253553 has 4 divisors (see below), whose sum is σ = 1095003760. Its totient is φ = 985503348.

The previous prime is 1040253523. The next prime is 1040253559. The reversal of 1040253553 is 3553520401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1040253553 - 2¹³ = 1040245361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040253559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27375075 + ... + 27375112.

It is an arithmetic number, because the mean of its divisors is an integer number (273750940).

Almost surely, 2^1040253553 is an apocalyptic number.

It is an amenable number.

1040253553 is a deficient number, since it is larger than the sum of its proper divisors (54750207).

1040253553 is an equidigital number, since it uses as much as digits as its factorization.

1040253553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54750206.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1040253553 is about 32252.9619259999. The cubic root of 1040253553 is about 1013.2417335421.

Adding to 1040253553 its reverse (3553520401), we get a palindrome (4593773954).

The spelling of 1040253553 in words is "one billion, forty million, two hundred fifty-three thousand, five hundred fifty-three".