25688652 has 48 divisors (see below), whose sum is σ = 66334464. Its totient is φ = 7672000.

The previous prime is 25688651. The next prime is 25688653.

25688652 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (25688651) and next prime (25688653).

It is not an unprimeable number, because it can be changed into a prime (25688651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8002 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (1381968).

Almost surely, 2^25688652 is an apocalyptic number.

25688652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25688652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33167232).

25688652 is an abundant number, since it is smaller than the sum of its proper divisors (40645812).

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

25688652 is a wasteful number, since it uses less digits than its factorization.

25688652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830 (or 2828 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 25688652 is about 5068.3973798431. The cubic root of 25688652 is about 295.0623328974.

The spelling of 25688652 in words is "twenty-five million, six hundred eighty-eight thousand, six hundred fifty-two".