2513499345 has 36 divisors (see below), whose sum is σ = 5068039860. Its totient is φ = 1149027264.

The previous prime is 2513499337. The next prime is 2513499349. The reversal of 2513499345 is 5439943152.

2513499345 is a `hidden beast` number, since 2 + 513 + 4 + 9 + 93 + 45 = 666.

2513499345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 480661776 + 2032837569 = 21924^2 + 45087^2 .

It is not a de Polignac number, because 2513499345 - 2³ = 2513499337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2513499345.

It is not an unprimeable number, because it can be changed into a prime (2513499349) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 567750 + ... + 572159.

It is an arithmetic number, because the mean of its divisors is an integer number (140778885).

Almost surely, 2^2513499345 is an apocalyptic number.

It is an amenable number.

2513499345 is an abundant number, since it is smaller than the sum of its proper divisors (2554540515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2513499345 is a wasteful number, since it uses less digits than its factorization.

2513499345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139934 (or 1139924 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 2513499345 is about 50134.8117080338. The cubic root of 2513499345 is about 1359.6472818358.

The spelling of 2513499345 in words is "two billion, five hundred thirteen million, four hundred ninety-nine thousand, three hundred forty-five".