16525137 has 4 divisors (see below), whose sum is σ = 22033520. Its totient is φ = 11016756.

The previous prime is 16525097. The next prime is 16525147. The reversal of 16525137 is 73152561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16525137 - 2⁶ = 16525073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16525147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754187 + ... + 2754192.

It is an arithmetic number, because the mean of its divisors is an integer number (5508380).

Almost surely, 2^16525137 is an apocalyptic number.

It is an amenable number.

16525137 is a deficient number, since it is larger than the sum of its proper divisors (5508383).

16525137 is an equidigital number, since it uses as much as digits as its factorization.

16525137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508382.

The product of its digits is 6300, while the sum is 30.

The square root of 16525137 is about 4065.1121755740. The cubic root of 16525137 is about 254.7113843409.

Adding to 16525137 its reverse (73152561), we get a palindrome (89677698).

The spelling of 16525137 in words is "sixteen million, five hundred twenty-five thousand, one hundred thirty-seven".