5621361541 has 2 divisors, whose sum is σ = 5621361542. Its totient is φ = 5621361540.

The previous prime is 5621361521. The next prime is 5621361587. The reversal of 5621361541 is 1451631265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5480440900 + 140920641 = 74030^2 + 11871^2 .

It is a cyclic number.

It is not a de Polignac number, because 5621361541 - 2¹⁷ = 5621230469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5621361497 and 5621361506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5621361511) 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, 2810680770 + 2810680771.

It is an arithmetic number, because the mean of its divisors is an integer number (2810680771).

Almost surely, 2^5621361541 is an apocalyptic number.

It is an amenable number.

5621361541 is a deficient number, since it is larger than the sum of its proper divisors (1).

5621361541 is an equidigital number, since it uses as much as digits as its factorization.

5621361541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 5621361541 is about 74975.7396829134. The cubic root of 5621361541 is about 1778.0631144130.

The spelling of 5621361541 in words is "five billion, six hundred twenty-one million, three hundred sixty-one thousand, five hundred forty-one".