1003897 has 2 divisors, whose sum is σ = 1003898. Its totient is φ = 1003896.

The previous prime is 1003889. The next prime is 1003907. The reversal of 1003897 is 7983001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992016 + 11881 = 996^2 + 109^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003897 - 2³ = 1003889 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1003817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501948 + 501949.

It is an arithmetic number, because the mean of its divisors is an integer number (501949).

2^1003897 is an apocalyptic number.

It is an amenable number.

1003897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003897 is an equidigital number, since it uses as much as digits as its factorization.

1003897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1003897 is about 1001.9466053638. The cubic root of 1003897 is about 100.1297316243.

Adding to 1003897 its reverse (7983001), we get a palindrome (8986898).

The spelling of 1003897 in words is "one million, three thousand, eight hundred ninety-seven".