16427525 has 12 divisors (see below), whose sum is σ = 21568932. Its totient is φ = 12368640.

The previous prime is 16427513. The next prime is 16427527. The reversal of 16427525 is 52572461.

16427525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 919681 + 15507844 = 959^2 + 3938^2 .

It is not a de Polignac number, because 16427525 - 2⁶ = 16427461 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 16427491 and 16427500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16427527) 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, 18902 + ... + 19751.

It is an arithmetic number, because the mean of its divisors is an integer number (1797411).

Almost surely, 2^16427525 is an apocalyptic number.

It is an amenable number.

16427525 is a deficient number, since it is larger than the sum of its proper divisors (5141407).

16427525 is a wasteful number, since it uses less digits than its factorization.

16427525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38680 (or 38675 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 16427525 is about 4053.0883286699. The cubic root of 16427525 is about 254.2088771008.

Adding to 16427525 its reverse (52572461), we get a palindrome (68999986).

The spelling of 16427525 in words is "sixteen million, four hundred twenty-seven thousand, five hundred twenty-five".