25505652 has 12 divisors (see below), whose sum is σ = 59513216. Its totient is φ = 8501880.

The previous prime is 25505647. The next prime is 25505677. The reversal of 25505652 is 25650552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062724 + ... + 1062747.

Almost surely, 2^25505652 is an apocalyptic number.

It is an amenable number.

25505652 is an abundant number, since it is smaller than the sum of its proper divisors (34007564).

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

25505652 is a wasteful number, since it uses less digits than its factorization.

25505652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125478 (or 2125476 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 25505652 is about 5050.3120695656. The cubic root of 25505652 is about 294.3600106413.

The spelling of 25505652 in words is "twenty-five million, five hundred five thousand, six hundred fifty-two".