25580052 has 18 divisors (see below), whose sum is σ = 64660778. Its totient is φ = 8526672.

The previous prime is 25580047. The next prime is 25580063. The reversal of 25580052 is 25008552.

It can be written as a sum of positive squares in only one way, i.e., 23853456 + 1726596 = 4884^2 + 1314^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 25579998 and 25580025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355243 + ... + 355314.

Almost surely, 2^25580052 is an apocalyptic number.

It is an amenable number.

25580052 is an abundant number, since it is smaller than the sum of its proper divisors (39080726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25580052 is a wasteful number, since it uses less digits than its factorization.

25580052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710567 (or 710562 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 25580052 is about 5057.6725872678. The cubic root of 25580052 is about 294.6459488948.

The spelling of 25580052 in words is "twenty-five million, five hundred eighty thousand, fifty-two".