15489241 has 4 divisors (see below), whose sum is σ = 15498000. Its totient is φ = 15480484.

The previous prime is 15489233. The next prime is 15489247. The reversal of 15489241 is 14298451.

It is a happy number.

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: 14298451 = 191 ⋅74861.

It is a cyclic number.

It is not a de Polignac number, because 15489241 - 2³ = 15489233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15489197 and 15489206.

It is not an unprimeable number, because it can be changed into a prime (15489247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691 + ... + 5608.

It is an arithmetic number, because the mean of its divisors is an integer number (3874500).

Almost surely, 2^15489241 is an apocalyptic number.

It is an amenable number.

15489241 is a deficient number, since it is larger than the sum of its proper divisors (8759).

15489241 is an equidigital number, since it uses as much as digits as its factorization.

15489241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758.

The product of its digits is 11520, while the sum is 34.

The square root of 15489241 is about 3935.6373054437. The cubic root of 15489241 is about 249.2738448369.

The spelling of 15489241 in words is "fifteen million, four hundred eighty-nine thousand, two hundred forty-one".