1045613053 has 4 divisors (see below), whose sum is σ = 1046144988. Its totient is φ = 1045081120.

The previous prime is 1045613021. The next prime is 1045613057. The reversal of 1045613053 is 3503165401.

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 254147364 + 791465689 = 15942^2 + 28133^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045613053 - 2⁵ = 1045613021 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 (1045613057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263008 + ... + 266953.

It is an arithmetic number, because the mean of its divisors is an integer number (261536247).

Almost surely, 2^1045613053 is an apocalyptic number.

It is an amenable number.

1045613053 is a deficient number, since it is larger than the sum of its proper divisors (531935).

1045613053 is an equidigital number, since it uses as much as digits as its factorization.

1045613053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531934.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1045613053 is about 32335.9405770112. The cubic root of 1045613053 is about 1014.9788643710.

Adding to 1045613053 its reverse (3503165401), we get a palindrome (4548778454).

The spelling of 1045613053 in words is "one billion, forty-five million, six hundred thirteen thousand, fifty-three".