2545305313 has 4 divisors (see below), whose sum is σ = 2627411968. Its totient is φ = 2463198660.

The previous prime is 2545305299. The next prime is 2545305361. The reversal of 2545305313 is 3135035452.

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 2545305313 - 2¹³ = 2545297121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 82106623 = 2545305313 / (2 + 5 + 4 + 5 + 3 + 0 + 5 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545305613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41053281 + ... + 41053342.

It is an arithmetic number, because the mean of its divisors is an integer number (656852992).

Almost surely, 2^2545305313 is an apocalyptic number.

It is an amenable number.

2545305313 is a deficient number, since it is larger than the sum of its proper divisors (82106655).

2545305313 is an equidigital number, since it uses as much as digits as its factorization.

2545305313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82106654.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2545305313 is about 50451.0189490757. The cubic root of 2545305313 is about 1365.3582788453.

The spelling of 2545305313 in words is "two billion, five hundred forty-five million, three hundred five thousand, three hundred thirteen".