16331125 has 8 divisors (see below), whose sum is σ = 20381400. Its totient is φ = 13064800.

The previous prime is 16331123. The next prime is 16331131. The reversal of 16331125 is 52113361.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1444 + 16329681 = 38^2 + 4041^2 .

It is not a de Polignac number, because 16331125 - 2¹ = 16331123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16331096 and 16331105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16331123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65200 + ... + 65449.

It is an arithmetic number, because the mean of its divisors is an integer number (2547675).

Almost surely, 2^16331125 is an apocalyptic number.

It is an amenable number.

16331125 is a deficient number, since it is larger than the sum of its proper divisors (4050275).

16331125 is an equidigital number, since it uses as much as digits as its factorization.

16331125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130664 (or 130654 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 16331125 is about 4041.1786646967. The cubic root of 16331125 is about 253.7106517647.

Adding to 16331125 its reverse (52113361), we get a palindrome (68444486).

The spelling of 16331125 in words is "sixteen million, three hundred thirty-one thousand, one hundred twenty-five".