16152225 has 24 divisors (see below), whose sum is σ = 26834592. Its totient is φ = 8572800.

The previous prime is 16152181. The next prime is 16152229. The reversal of 16152225 is 52225161.

It is a happy number.

It is not a de Polignac number, because 16152225 - 2⁸ = 16151969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16152195 and 16152204.

It is not an unprimeable number, because it can be changed into a prime (16152229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20845 + ... + 21605.

It is an arithmetic number, because the mean of its divisors is an integer number (1118108).

Almost surely, 2^16152225 is an apocalyptic number.

16152225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16152225 is a deficient number, since it is larger than the sum of its proper divisors (10682367).

16152225 is a wasteful number, since it uses less digits than its factorization.

16152225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1052 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 16152225 is about 4018.9830803326. The cubic root of 16152225 is about 252.7808201363.

Adding to 16152225 its reverse (52225161), we get a palindrome (68377386).

The spelling of 16152225 in words is "sixteen million, one hundred fifty-two thousand, two hundred twenty-five".