2525299196161 has 63 divisors (see below), whose sum is σ = 3046749767113. Its totient is φ = 2093060417280.

The previous prime is 2525299196093. The next prime is 2525299196179. The reversal of 2525299196161 is 1616919925252.

The square root of 2525299196161 is 1589119.

It is a perfect power (a square), and thus also a powerful number.

2525299196161 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 4 ways, for example, as 2221098412225 + 304200783936 = 1490335^2 + 551544^2 .

It is not a de Polignac number, because 2525299196161 - 2⁹ = 2525299195649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2525299196096 and 2525299196105.

It is not an unprimeable number, because it can be changed into a prime (2525299193161) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 22347780441 + ... + 22347780553.

Almost surely, 2^{2525299196161} is an apocalyptic number.

2525299196161 is the 1589119-th square number.

2525299196161 is the 794560-th centered octagonal number.

It is an amenable number.

2525299196161 is a deficient number, since it is larger than the sum of its proper divisors (521450570952).

2525299196161 is an frugal number, since it uses more digits than its factorization.

2525299196161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 161 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 58.

The spelling of 2525299196161 in words is "two trillion, five hundred twenty-five billion, two hundred ninety-nine million, one hundred ninety-six thousand, one hundred sixty-one".