25066225 has 24 divisors (see below), whose sum is σ = 33078240. Its totient is φ = 18789120.

The previous prime is 25066213. The next prime is 25066231. The reversal of 25066225 is 52266052.

It is not a de Polignac number, because 25066225 - 2⁵ = 25066193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25066193 and 25066202.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 53442 + ... + 53908.

It is an arithmetic number, because the mean of its divisors is an integer number (1378260).

Almost surely, 2^25066225 is an apocalyptic number.

25066225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25066225 is a deficient number, since it is larger than the sum of its proper divisors (8012015).

25066225 is a wasteful number, since it uses less digits than its factorization.

25066225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 25066225 is about 5006.6181200487. The cubic root of 25066225 is about 292.6597369400.

The spelling of 25066225 in words is "twenty-five million, sixty-six thousand, two hundred twenty-five".