15535441 has 2 divisors, whose sum is σ = 15535442. Its totient is φ = 15535440.

The previous prime is 15535417. The next prime is 15535451. The reversal of 15535441 is 14453551.

15535441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8433216 + 7102225 = 2904^2 + 2665^2 .

It is a cyclic number.

It is not a de Polignac number, because 15535441 - 2⁵ = 15535409 is a prime.

It is not a weakly prime, because it can be changed into another prime (15535451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7767720 + 7767721.

It is an arithmetic number, because the mean of its divisors is an integer number (7767721).

Almost surely, 2^15535441 is an apocalyptic number.

It is an amenable number.

15535441 is a deficient number, since it is larger than the sum of its proper divisors (1).

15535441 is an equidigital number, since it uses as much as digits as its factorization.

15535441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 28.

The square root of 15535441 is about 3941.5023785354. The cubic root of 15535441 is about 249.5214364924.

Adding to 15535441 its reverse (14453551), we get a palindrome (29988992).

The spelling of 15535441 in words is "fifteen million, five hundred thirty-five thousand, four hundred forty-one".