15243125 has 20 divisors (see below), whose sum is σ = 19728060. Its totient is φ = 11774000.

The previous prime is 15243097. The next prime is 15243127. The reversal of 15243125 is 52134251.

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.

It can be written as a sum of positive squares in 10 ways, for example, as 14922769 + 320356 = 3863^2 + 566^2 .

It is not a de Polignac number, because 15243125 - 2⁸ = 15242869 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15243125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15243127) 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, 525611 + ... + 525639.

It is an arithmetic number, because the mean of its divisors is an integer number (986403).

Almost surely, 2^15243125 is an apocalyptic number.

It is an amenable number.

15243125 is a deficient number, since it is larger than the sum of its proper divisors (4484935).

15243125 is an frugal number, since it uses more digits than its factorization.

15243125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 34 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 15243125 is about 3904.2444851725. The cubic root of 15243125 is about 247.9465122681.

Adding to 15243125 its reverse (52134251), we get a palindrome (67377376).

The spelling of 15243125 in words is "fifteen million, two hundred forty-three thousand, one hundred twenty-five".