1528897 has 2 divisors, whose sum is σ = 1528898. Its totient is φ = 1528896.

The previous prime is 1528871. The next prime is 1528937. The reversal of 1528897 is 7988251.

It is an a-pointer prime, because the next prime (1528937) can be obtained adding 1528897 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 863041 + 665856 = 929^2 + 816^2 .

It is an emirp because it is prime and its reverse (7988251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1528897 - 2¹⁵ = 1496129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1528697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 764448 + 764449.

It is an arithmetic number, because the mean of its divisors is an integer number (764449).

2^1528897 is an apocalyptic number.

It is an amenable number.

1528897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1528897 is an equidigital number, since it uses as much as digits as its factorization.

1528897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 40.

The square root of 1528897 is about 1236.4857459753. The cubic root of 1528897 is about 115.2018383596.

The spelling of 1528897 in words is "one million, five hundred twenty-eight thousand, eight hundred ninety-seven".