1003245541 has 2 divisors, whose sum is σ = 1003245542. Its totient is φ = 1003245540.

The previous prime is 1003245539. The next prime is 1003245559. The reversal of 1003245541 is 1455423001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 993573441 + 9672100 = 31521^2 + 3110^2 .

It is an emirp because it is prime and its reverse (1455423001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003245541 - 2¹ = 1003245539 is a prime.

Together with 1003245539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003245571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501622770 + 501622771.

It is an arithmetic number, because the mean of its divisors is an integer number (501622771).

Almost surely, 2^1003245541 is an apocalyptic number.

It is an amenable number.

1003245541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003245541 is an equidigital number, since it uses as much as digits as its factorization.

1003245541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1003245541 is about 31674.0515406539. The cubic root of 1003245541 is about 1001.0806787128.

Adding to 1003245541 its reverse (1455423001), we get a palindrome (2458668542).

The spelling of 1003245541 in words is "one billion, three million, two hundred forty-five thousand, five hundred forty-one".