1003324661 has 2 divisors, whose sum is σ = 1003324662. Its totient is φ = 1003324660.

The previous prime is 1003324639. The next prime is 1003324669. The reversal of 1003324661 is 1664233001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 826275025 + 177049636 = 28745^2 + 13306^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003324661 - 2²² = 999130357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1003324661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003324669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501662330 + 501662331.

It is an arithmetic number, because the mean of its divisors is an integer number (501662331).

Almost surely, 2^1003324661 is an apocalyptic number.

It is an amenable number.

1003324661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003324661 is an equidigital number, since it uses as much as digits as its factorization.

1003324661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1003324661 is about 31675.3004879196. The cubic root of 1003324661 is about 1001.1069944444.

Adding to 1003324661 its reverse (1664233001), we get a palindrome (2667557662).

The spelling of 1003324661 in words is "one billion, three million, three hundred twenty-four thousand, six hundred sixty-one".