25652385 has 48 divisors (see below), whose sum is σ = 50207040. Its totient is φ = 12001920.

The previous prime is 25652377. The next prime is 25652423. The reversal of 25652385 is 58325652.

It is a happy number.

25652385 is a `hidden beast` number, since 2 + 56 + 523 + 85 = 666.

It is not a de Polignac number, because 25652385 - 2³ = 25652377 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13462 + ... + 15248.

It is an arithmetic number, because the mean of its divisors is an integer number (1045980).

Almost surely, 2^25652385 is an apocalyptic number.

It is an amenable number.

25652385 is a deficient number, since it is larger than the sum of its proper divisors (24554655).

25652385 is a wasteful number, since it uses less digits than its factorization.

25652385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1835 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 25652385 is about 5064.8183580460. The cubic root of 25652385 is about 294.9234120820.

It can be divided in two parts, 2565 and 2385, that added together give a triangular number (4950 = T₉₉).

The spelling of 25652385 in words is "twenty-five million, six hundred fifty-two thousand, three hundred eighty-five".