2513511420325 has 12 divisors (see below), whose sum is σ = 3118104061380. Its totient is φ = 2009938232960.

The previous prime is 2513511420319. The next prime is 2513511420331. The reversal of 2513511420325 is 5230241153152.

It is an interprime number because it is at equal distance from previous prime (2513511420319) and next prime (2513511420331).

It can be written as a sum of positive squares in 6 ways, for example, as 283022936001 + 2230488484324 = 531999^2 + 1493482^2 .

It is not a de Polignac number, because 2513511420325 - 2¹³ = 2513511412133 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 21713704 + ... + 21829153.

It is an arithmetic number, because the mean of its divisors is an integer number (259842005115).

Almost surely, 2^{2513511420325} is an apocalyptic number.

2513511420325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2513511420325 is a deficient number, since it is larger than the sum of its proper divisors (604592641055).

2513511420325 is a wasteful number, since it uses less digits than its factorization.

2513511420325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43545176 (or 43545171 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 2513511420325 its reverse (5230241153152), we get a palindrome (7743752573477).

The spelling of 2513511420325 in words is "two trillion, five hundred thirteen billion, five hundred eleven million, four hundred twenty thousand, three hundred twenty-five".