16152725 has 24 divisors (see below), whose sum is σ = 20891520. Its totient is φ = 12379520.

The previous prime is 16152709. The next prime is 16152733. The reversal of 16152725 is 52725161.

It is not a de Polignac number, because 16152725 - 2⁴ = 16152709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69209 + ... + 69441.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^16152725 is an apocalyptic number.

It is an amenable number.

16152725 is a deficient number, since it is larger than the sum of its proper divisors (4738795).

16152725 is a wasteful number, since it uses less digits than its factorization.

16152725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 344 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 16152725 is about 4019.0452846416. The cubic root of 16152725 is about 252.7834284272.

Adding to 16152725 its reverse (52725161), we get a palindrome (68877886).

The spelling of 16152725 in words is "sixteen million, one hundred fifty-two thousand, seven hundred twenty-five".