25510768 has 40 divisors (see below), whose sum is σ = 53726720. Its totient is φ = 11689920.

The previous prime is 25510763. The next prime is 25510769. The reversal of 25510768 is 86701552.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25510763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8071 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (1343168).

Almost surely, 2^25510768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25510768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26863360).

25510768 is an abundant number, since it is smaller than the sum of its proper divisors (28215952).

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

25510768 is a wasteful number, since it uses less digits than its factorization.

25510768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 25510768 is about 5050.8185475228. The cubic root of 25510768 is about 294.3796905295.

The spelling of 25510768 in words is "twenty-five million, five hundred ten thousand, seven hundred sixty-eight".