2625350535261 has 24 divisors (see below), whose sum is σ = 3797402599224. Its totient is φ = 1747820989440.

The previous prime is 2625350535169. The next prime is 2625350535263. The reversal of 2625350535261 is 1625350535262.

It is a happy number.

2625350535261 is a `hidden beast` number, since 2 + 6 + 2 + 5 + 3 + 50 + 535 + 2 + 61 = 666.

2625350535261 is digitally balanced in base 3, 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 4 ways, for example, as 54119043225 + 2571231492036 = 232635^2 + 1603506^2 .

It is not a de Polignac number, because 2625350535261 - 2¹³ = 2625350527069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625350535263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35015365 + ... + 35090261.

It is an arithmetic number, because the mean of its divisors is an integer number (158225108301).

Almost surely, 2^{2625350535261} is an apocalyptic number.

It is an amenable number.

2625350535261 is a deficient number, since it is larger than the sum of its proper divisors (1172052063963).

2625350535261 is a wasteful number, since it uses less digits than its factorization.

2625350535261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80221 (or 80218 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

Subtracting from 2625350535261 its reverse (1625350535262), we obtain a palindrome (999999999999).

The spelling of 2625350535261 in words is "two trillion, six hundred twenty-five billion, three hundred fifty million, five hundred thirty-five thousand, two hundred sixty-one".