2656525623 has 8 divisors (see below), whose sum is σ = 3542814336. Its totient is φ = 1770627000.

The previous prime is 2656525609. The next prime is 2656525631. The reversal of 2656525623 is 3265256562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2656525623 - 2⁵ = 2656525591 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656525643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81243 + ... + 109148.

It is an arithmetic number, because the mean of its divisors is an integer number (442851792).

Almost surely, 2^2656525623 is an apocalyptic number.

2656525623 is a deficient number, since it is larger than the sum of its proper divisors (886288713).

2656525623 is a wasteful number, since it uses less digits than its factorization.

2656525623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195045.

The product of its digits is 648000, while the sum is 42.

The square root of 2656525623 is about 51541.4941867230. The cubic root of 2656525623 is about 1384.9624639351.

The spelling of 2656525623 in words is "two billion, six hundred fifty-six million, five hundred twenty-five thousand, six hundred twenty-three".