1003507 has 2 divisors, whose sum is σ = 1003508. Its totient is φ = 1003506.

The previous prime is 1003469. The next prime is 1003517. The reversal of 1003507 is 7053001.

It is a strong prime.

It is an emirp because it is prime and its reverse (7053001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003507 - 2¹¹ = 1001459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501753 + 501754.

It is an arithmetic number, because the mean of its divisors is an integer number (501754).

2^1003507 is an apocalyptic number.

1003507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003507 is an equidigital number, since it uses as much as digits as its factorization.

1003507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 1003507 is about 1001.7519653088. The cubic root of 1003507 is about 100.1167636095.

Adding to 1003507 its reverse (7053001), we get a palindrome (8056508).

The spelling of 1003507 in words is "one million, three thousand, five hundred seven".