2525550261 has 16 divisors (see below), whose sum is σ = 3710769216. Its totient is φ = 1518039936.

The previous prime is 2525550257. The next prime is 2525550299. The reversal of 2525550261 is 1620555252.

2525550261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2525550261 - 2² = 2525550257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525550221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751320 + ... + 754673.

It is an arithmetic number, because the mean of its divisors is an integer number (231923076).

Almost surely, 2^2525550261 is an apocalyptic number.

It is an amenable number.

2525550261 is a deficient number, since it is larger than the sum of its proper divisors (1185218955).

2525550261 is a wasteful number, since it uses less digits than its factorization.

2525550261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506052.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 2525550261 is about 50254.8531089287. The cubic root of 2525550261 is about 1361.8167511207.

The spelling of 2525550261 in words is "two billion, five hundred twenty-five million, five hundred fifty thousand, two hundred sixty-one".