25802623 has 16 divisors (see below), whose sum is σ = 32921856. Its totient is φ = 19635840.

The previous prime is 25802611. The next prime is 25802629. The reversal of 25802623 is 32620852.

It is not a de Polignac number, because 25802623 - 2⁵ = 25802591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25802591 and 25802600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25802629) 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 15 ways as a sum of consecutive naturals, for example, 586 + ... + 7207.

It is an arithmetic number, because the mean of its divisors is an integer number (2057616).

Almost surely, 2^25802623 is an apocalyptic number.

25802623 is a deficient number, since it is larger than the sum of its proper divisors (7119233).

25802623 is a wasteful number, since it uses less digits than its factorization.

25802623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25802623 is about 5079.6282344282. The cubic root of 25802623 is about 295.4980497904.

The spelling of 25802623 in words is "twenty-five million, eight hundred two thousand, six hundred twenty-three".