2513321053 has 4 divisors (see below), whose sum is σ = 2518919100. Its totient is φ = 2507723008.

The previous prime is 2513321051. The next prime is 2513321071. The reversal of 2513321053 is 3501233152.

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 1538757529 + 974563524 = 39227^2 + 31218^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513321053 - 2¹ = 2513321051 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 (2513321051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798350 + ... + 2799247.

It is an arithmetic number, because the mean of its divisors is an integer number (629729775).

Almost surely, 2^2513321053 is an apocalyptic number.

It is an amenable number.

2513321053 is a deficient number, since it is larger than the sum of its proper divisors (5598047).

2513321053 is an equidigital number, since it uses as much as digits as its factorization.

2513321053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598046.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2513321053 is about 50133.0335507438. The cubic root of 2513321053 is about 1359.6151327703.

The spelling of 2513321053 in words is "two billion, five hundred thirteen million, three hundred twenty-one thousand, fifty-three".