2513305445 has 16 divisors (see below), whose sum is σ = 3565676160. Its totient is φ = 1663980864.

The previous prime is 2513305441. The next prime is 2513305471. The reversal of 2513305445 is 5445033152.

It is a happy number.

It is not a de Polignac number, because 2513305445 - 2² = 2513305441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513305441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237067 + ... + 1239096.

It is an arithmetic number, because the mean of its divisors is an integer number (222854760).

Almost surely, 2^2513305445 is an apocalyptic number.

It is an amenable number.

2513305445 is a deficient number, since it is larger than the sum of its proper divisors (1052370715).

2513305445 is a wasteful number, since it uses less digits than its factorization.

2513305445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476204.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2513305445 is about 50132.8778846776. The cubic root of 2513305445 is about 1359.6123183114.

Adding to 2513305445 its reverse (5445033152), we get a palindrome (7958338597).

The spelling of 2513305445 in words is "two billion, five hundred thirteen million, three hundred five thousand, four hundred forty-five".