1322521003 has 2 divisors, whose sum is σ = 1322521004. Its totient is φ = 1322521002.

The previous prime is 1322520971. The next prime is 1322521009. The reversal of 1322521003 is 3001252231.

It is a strong prime.

It is an emirp because it is prime and its reverse (3001252231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1322521003 - 2⁵ = 1322520971 is a prime.

It is a super-2 number, since 2×1322521003² = 3498123606752252018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1322521009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661260501 + 661260502.

It is an arithmetic number, because the mean of its divisors is an integer number (661260502).

Almost surely, 2^1322521003 is an apocalyptic number.

1322521003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322521003 is an equidigital number, since it uses as much as digits as its factorization.

1322521003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1322521003 is about 36366.4818617364. The cubic root of 1322521003 is about 1097.6592105099.

Adding to 1322521003 its reverse (3001252231), we get a palindrome (4323773234).

It can be divided in two parts, 132 and 2521003, that added together give a triangular number (2521135 = T₂₂₄₅).

The spelling of 1322521003 in words is "one billion, three hundred twenty-two million, five hundred twenty-one thousand, three".