1003797409 has 2 divisors, whose sum is σ = 1003797410. Its totient is φ = 1003797408.

The previous prime is 1003797407. The next prime is 1003797413. The reversal of 1003797409 is 9047973001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 853808400 + 149989009 = 29220^2 + 12247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003797409 - 2¹ = 1003797407 is a prime.

It is a super-2 number, since 2×1003797409² = 2015218476630226562, which contains 22 as substring.

Together with 1003797407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1003797407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501898704 + 501898705.

It is an arithmetic number, because the mean of its divisors is an integer number (501898705).

Almost surely, 2^1003797409 is an apocalyptic number.

It is an amenable number.

1003797409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003797409 is an equidigital number, since it uses as much as digits as its factorization.

1003797409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 1003797409 is about 31682.7620165919. The cubic root of 1003797409 is about 1001.2642041145.

The spelling of 1003797409 in words is "one billion, three million, seven hundred ninety-seven thousand, four hundred nine".