5521913197 has 2 divisors, whose sum is σ = 5521913198. Its totient is φ = 5521913196.

The previous prime is 5521913147. The next prime is 5521913203. The reversal of 5521913197 is 7913191255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3616939881 + 1904973316 = 60141^2 + 43646^2 .

It is a cyclic number.

It is not a de Polignac number, because 5521913197 - 2³¹ = 3374429549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5521913147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760956598 + 2760956599.

It is an arithmetic number, because the mean of its divisors is an integer number (2760956599).

Almost surely, 2^5521913197 is an apocalyptic number.

It is an amenable number.

5521913197 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521913197 is an equidigital number, since it uses as much as digits as its factorization.

5521913197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 43.

The square root of 5521913197 is about 74309.5767515870. The cubic root of 5521913197 is about 1767.5153405131.

The spelling of 5521913197 in words is "five billion, five hundred twenty-one million, nine hundred thirteen thousand, one hundred ninety-seven".