2530113253321 has 4 divisors (see below), whose sum is σ = 2531134698372. Its totient is φ = 2529091808272.

The previous prime is 2530113253247. The next prime is 2530113253363. The reversal of 2530113253321 is 1233523110352.

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 1361690617225 + 1168422636096 = 1166915^2 + 1080936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530113253321 - 2¹¹ = 2530113251273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530113293321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510718810 + ... + 510723763.

It is an arithmetic number, because the mean of its divisors is an integer number (632783674593).

Almost surely, 2^{2530113253321} is an apocalyptic number.

It is an amenable number.

2530113253321 is a deficient number, since it is larger than the sum of its proper divisors (1021445051).

2530113253321 is a wasteful number, since it uses less digits than its factorization.

2530113253321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021445050.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 2530113253321 its reverse (1233523110352), we get a palindrome (3763636363673).

The spelling of 2530113253321 in words is "two trillion, five hundred thirty billion, one hundred thirteen million, two hundred fifty-three thousand, three hundred twenty-one".