5045262581 has 2 divisors, whose sum is σ = 5045262582. Its totient is φ = 5045262580.

The previous prime is 5045262571. The next prime is 5045262619. The reversal of 5045262581 is 1852625405.

It is an a-pointer prime, because the next prime (5045262619) can be obtained adding 5045262581 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5045260900 + 1681 = 71030^2 + 41^2 .

It is a cyclic number.

It is not a de Polignac number, because 5045262581 - 2¹⁴ = 5045246197 is a prime.

It is a super-2 number, since 2×5045262581² = 50909349022477563122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5045262511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522631290 + 2522631291.

It is an arithmetic number, because the mean of its divisors is an integer number (2522631291).

Almost surely, 2^5045262581 is an apocalyptic number.

It is an amenable number.

5045262581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5045262581 is an equidigital number, since it uses as much as digits as its factorization.

5045262581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 5045262581 is about 71030.0118330273. The cubic root of 5045262581 is about 1715.1203162536.

Adding to 5045262581 its reverse (1852625405), we get a palindrome (6897887986).

The spelling of 5045262581 in words is "five billion, forty-five million, two hundred sixty-two thousand, five hundred eighty-one".