15528041 has 2 divisors, whose sum is σ = 15528042. Its totient is φ = 15528040.

The previous prime is 15528011. The next prime is 15528047. The reversal of 15528041 is 14082551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13579225 + 1948816 = 3685^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 15528041 - 2²² = 11333737 is a prime.

It is a super-2 number, since 2×15528041² = 482240114595362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen 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 15528041.

It is not a weakly prime, because it can be changed into another prime (15528047) 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 as a sum of consecutive naturals, namely, 7764020 + 7764021.

It is an arithmetic number, because the mean of its divisors is an integer number (7764021).

Almost surely, 2^15528041 is an apocalyptic number.

It is an amenable number.

15528041 is a deficient number, since it is larger than the sum of its proper divisors (1).

15528041 is an equidigital number, since it uses as much as digits as its factorization.

15528041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 15528041 is about 3940.5635383787. The cubic root of 15528041 is about 249.4818120002.

The spelling of 15528041 in words is "fifteen million, five hundred twenty-eight thousand, forty-one".