2525918611 has 4 divisors (see below), whose sum is σ = 2587526424. Its totient is φ = 2464310800.

The previous prime is 2525918597. The next prime is 2525918617. The reversal of 2525918611 is 1168195252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2525918611 - 2²⁵ = 2492364179 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525918617) 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 3 ways as a sum of consecutive naturals, for example, 30803845 + ... + 30803926.

It is an arithmetic number, because the mean of its divisors is an integer number (646881606).

Almost surely, 2^2525918611 is an apocalyptic number.

2525918611 is a deficient number, since it is larger than the sum of its proper divisors (61607813).

2525918611 is an equidigital number, since it uses as much as digits as its factorization.

2525918611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61607812.

The product of its digits is 43200, while the sum is 40.

The square root of 2525918611 is about 50258.5177954941. The cubic root of 2525918611 is about 1361.8829546226.

The spelling of 2525918611 in words is "two billion, five hundred twenty-five million, nine hundred eighteen thousand, six hundred eleven".