25065768 has 128 divisors (see below), whose sum is σ = 80640000. Its totient is φ = 6310656.

The previous prime is 25065757. The next prime is 25065779. The reversal of 25065768 is 86756052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25065757) and next prime (25065779).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49983 + ... + 50481.

It is an arithmetic number, because the mean of its divisors is an integer number (630000).

Almost surely, 2^25065768 is an apocalyptic number.

25065768 is a gapful number since it is divisible by the number (28) 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 25065768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40320000).

25065768 is an abundant number, since it is smaller than the sum of its proper divisors (55574232).

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

25065768 is a wasteful number, since it uses less digits than its factorization.

25065768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 25065768 is about 5006.5724802503. The cubic root of 25065768 is about 292.6579583673.

The spelling of 25065768 in words is "twenty-five million, sixty-five thousand, seven hundred sixty-eight".