25017066 has 32 divisors (see below), whose sum is σ = 56782080. Its totient is φ = 8160768.

The previous prime is 25017061. The next prime is 25017067. The reversal of 25017066 is 66071052.

It is a super-3 number, since 3×25017066³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25017061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2391 + ... + 7466.

It is an arithmetic number, because the mean of its divisors is an integer number (1774440).

Almost surely, 2^25017066 is an apocalyptic number.

25017066 is an abundant number, since it is smaller than the sum of its proper divisors (31765014).

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

25017066 is a wasteful number, since it uses less digits than its factorization.

25017066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9915 (or 9909 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 25017066 is about 5001.7063088510. The cubic root of 25017066 is about 292.4682937362.

The spelling of 25017066 in words is "twenty-five million, seventeen thousand, sixty-six".