25571652 has 48 divisors (see below), whose sum is σ = 62802432. Its totient is φ = 8087040.

The previous prime is 25571647. The next prime is 25571669. The reversal of 25571652 is 25617552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19068 + ... + 20364.

It is an arithmetic number, because the mean of its divisors is an integer number (1308384).

Almost surely, 2^25571652 is an apocalyptic number.

It is an amenable number.

25571652 is an abundant number, since it is smaller than the sum of its proper divisors (37230780).

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

25571652 is a wasteful number, since it uses less digits than its factorization.

25571652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 25571652 is about 5056.8420975941. The cubic root of 25571652 is about 294.6136933317.

The spelling of 25571652 in words is "twenty-five million, five hundred seventy-one thousand, six hundred fifty-two".