1045253513 has 2 divisors, whose sum is σ = 1045253514. Its totient is φ = 1045253512.

The previous prime is 1045253497. The next prime is 1045253527. The reversal of 1045253513 is 3153525401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 551169529 + 494083984 = 23477^2 + 22228^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045253513 - 2⁴ = 1045253497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045253543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522626756 + 522626757.

It is an arithmetic number, because the mean of its divisors is an integer number (522626757).

Almost surely, 2^1045253513 is an apocalyptic number.

It is an amenable number.

1045253513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045253513 is an equidigital number, since it uses as much as digits as its factorization.

1045253513 is an evil number, because the sum of its binary digits is even.

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

The square root of 1045253513 is about 32330.3806504037. The cubic root of 1045253513 is about 1014.8625156143.

Adding to 1045253513 its reverse (3153525401), we get a palindrome (4198778914).

The spelling of 1045253513 in words is "one billion, forty-five million, two hundred fifty-three thousand, five hundred thirteen".