2525657263 has 4 divisors (see below), whose sum is σ = 2532692880. Its totient is φ = 2518621648.

The previous prime is 2525657261. The next prime is 2525657279. The reversal of 2525657263 is 3627565252.

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 2525657263 - 2¹ = 2525657261 is a prime.

It is a super-3 number, since 3×2525657263³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525657261) 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, 3517270 + ... + 3517987.

It is an arithmetic number, because the mean of its divisors is an integer number (633173220).

Almost surely, 2^2525657263 is an apocalyptic number.

2525657263 is a deficient number, since it is larger than the sum of its proper divisors (7035617).

2525657263 is an equidigital number, since it uses as much as digits as its factorization.

2525657263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035616.

The product of its digits is 756000, while the sum is 43.

The square root of 2525657263 is about 50255.9176913525. The cubic root of 2525657263 is about 1361.8359832408.

The spelling of 2525657263 in words is "two billion, five hundred twenty-five million, six hundred fifty-seven thousand, two hundred sixty-three".