25065066 has 48 divisors (see below), whose sum is σ = 57183840. Its totient is φ = 7300800.

The previous prime is 25065017. The next prime is 25065097. The reversal of 25065066 is 66056052.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18616 + ... + 19916.

It is an arithmetic number, because the mean of its divisors is an integer number (1191330).

Almost surely, 2^25065066 is an apocalyptic number.

25065066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25065066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28591920).

25065066 is an abundant number, since it is smaller than the sum of its proper divisors (32118774).

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

25065066 is a wasteful number, since it uses less digits than its factorization.

25065066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 25065066 is about 5006.5023719159. The cubic root of 25065066 is about 292.6552262507.

The spelling of 25065066 in words is "twenty-five million, sixty-five thousand, sixty-six".