16525135 has 16 divisors (see below), whose sum is σ = 22044960. Its totient is φ = 11789440.

The previous prime is 16525097. The next prime is 16525147. The reversal of 16525135 is 53152561.

It is not a de Polignac number, because 16525135 - 2¹⁵ = 16492367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81 + ... + 5749.

It is an arithmetic number, because the mean of its divisors is an integer number (1377810).

Almost surely, 2^16525135 is an apocalyptic number.

16525135 is a deficient number, since it is larger than the sum of its proper divisors (5519825).

16525135 is a wasteful number, since it uses less digits than its factorization.

16525135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738.

The product of its digits is 4500, while the sum is 28.

The square root of 16525135 is about 4065.1119295783. Note that the first 3 decimals coincide. The cubic root of 16525135 is about 254.7113740652.

Adding to 16525135 its reverse (53152561), we get a palindrome (69677696).

The spelling of 16525135 in words is "sixteen million, five hundred twenty-five thousand, one hundred thirty-five".