16725225 has 72 divisors (see below), whose sum is σ = 32324320. Its totient is φ = 7603200.

The previous prime is 16725211. The next prime is 16725239. The reversal of 16725225 is 52252761.

It is an interprime number because it is at equal distance from previous prime (16725211) and next prime (16725239).

It is not a de Polignac number, because 16725225 - 2⁵ = 16725193 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16725192 and 16725201.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 172377 + ... + 172473.

Almost surely, 2^16725225 is an apocalyptic number.

16725225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16725225 is a deficient number, since it is larger than the sum of its proper divisors (15599095).

16725225 is a wasteful number, since it uses less digits than its factorization.

16725225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 135 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 16725225 is about 4089.6485179047. The cubic root of 16725225 is about 255.7352864700.

Adding to 16725225 its reverse (52252761), we get a palindrome (68977986).

The spelling of 16725225 in words is "sixteen million, seven hundred twenty-five thousand, two hundred twenty-five".