16290125 has 20 divisors (see below), whose sum is σ = 21459516. Its totient is φ = 12346200.

The previous prime is 16290121. The next prime is 16290137. The reversal of 16290125 is 52109261.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

16290125 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 2 ways, for example, as 521284 + 15768841 = 722^2 + 3971^2 .

It is not a de Polignac number, because 16290125 - 2² = 16290121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16290094 and 16290103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 857366 + ... + 857384.

Almost surely, 2^16290125 is an apocalyptic number.

It is an amenable number.

16290125 is a deficient number, since it is larger than the sum of its proper divisors (5169391).

16290125 is an frugal number, since it uses more digits than its factorization.

16290125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 16290125 is about 4036.1026993871. The cubic root of 16290125 is about 253.4981566286.

Adding to 16290125 its reverse (52109261), we get a palindrome (68399386).

The spelling of 16290125 in words is "sixteen million, two hundred ninety thousand, one hundred twenty-five".