16071225 has 12 divisors (see below), whose sum is σ = 26571216. Its totient is φ = 8571280.

The previous prime is 16071217. The next prime is 16071229. The reversal of 16071225 is 52217061.

It is not a de Polignac number, because 16071225 - 2³ = 16071217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16071195 and 16071204.

It is not an unprimeable number, because it can be changed into a prime (16071229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107067 + ... + 107216.

It is an arithmetic number, because the mean of its divisors is an integer number (2214268).

Almost surely, 2^16071225 is an apocalyptic number.

16071225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16071225 is a deficient number, since it is larger than the sum of its proper divisors (10499991).

16071225 is a wasteful number, since it uses less digits than its factorization.

16071225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214296 (or 214291 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 16071225 is about 4008.8932387880. The cubic root of 16071225 is about 252.3575643423.

Adding to 16071225 its reverse (52217061), we get a palindrome (68288286).

The spelling of 16071225 in words is "sixteen million, seventy-one thousand, two hundred twenty-five".