1045240241 has 2 divisors, whose sum is σ = 1045240242. Its totient is φ = 1045240240.

The previous prime is 1045240219. The next prime is 1045240247. The reversal of 1045240241 is 1420425401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040707600 + 4532641 = 32260^2 + 2129^2 .

It is an emirp because it is prime and its reverse (1420425401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1045240241 - 2⁶ = 1045240177 is a prime.

It is a super-2 number, since 2×1045240241² = 2185054322811476162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1045240247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522620120 + 522620121.

It is an arithmetic number, because the mean of its divisors is an integer number (522620121).

Almost surely, 2^1045240241 is an apocalyptic number.

It is an amenable number.

1045240241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045240241 is an equidigital number, since it uses as much as digits as its factorization.

1045240241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1045240241 is about 32330.1753938948. The cubic root of 1045240241 is about 1014.8582202250.

Adding to 1045240241 its reverse (1420425401), we get a palindrome (2465665642).

The spelling of 1045240241 in words is "one billion, forty-five million, two hundred forty thousand, two hundred forty-one".