1528668853 has 2 divisors, whose sum is σ = 1528668854. Its totient is φ = 1528668852.

The previous prime is 1528668797. The next prime is 1528668857. The reversal of 1528668853 is 3588668251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1048270129 + 480398724 = 32377^2 + 21918^2 .

It is a cyclic number.

It is not a de Polignac number, because 1528668853 - 2⁹ = 1528668341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1528668853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1528668857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 764334426 + 764334427.

It is an arithmetic number, because the mean of its divisors is an integer number (764334427).

Almost surely, 2^1528668853 is an apocalyptic number.

It is an amenable number.

1528668853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1528668853 is an equidigital number, since it uses as much as digits as its factorization.

1528668853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 52.

The square root of 1528668853 is about 39098.1950094886. The cubic root of 1528668853 is about 1151.9610780980.

The spelling of 1528668853 in words is "one billion, five hundred twenty-eight million, six hundred sixty-eight thousand, eight hundred fifty-three".