15125641 has 4 divisors (see below), whose sum is σ = 15136000. Its totient is φ = 15115284.

The previous prime is 15125623. The next prime is 15125647. The reversal of 15125641 is 14652151.

It is a happy number.

15125641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14652151 = 1669 ⋅8779.

It is a cyclic number.

It is not a de Polignac number, because 15125641 - 2⁵ = 15125609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15125647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541 + ... + 6058.

It is an arithmetic number, because the mean of its divisors is an integer number (3784000).

Almost surely, 2^15125641 is an apocalyptic number.

It is an amenable number.

15125641 is a deficient number, since it is larger than the sum of its proper divisors (10359).

15125641 is an equidigital number, since it uses as much as digits as its factorization.

15125641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10358.

The product of its digits is 1200, while the sum is 25.

The square root of 15125641 is about 3889.1697057341. The cubic root of 15125641 is about 247.3078657131.

Adding to 15125641 its reverse (14652151), we get a palindrome (29777792).

The spelling of 15125641 in words is "fifteen million, one hundred twenty-five thousand, six hundred forty-one".