5221171537 has 2 divisors, whose sum is σ = 5221171538. Its totient is φ = 5221171536.

The previous prime is 5221171507. The next prime is 5221171577. The reversal of 5221171537 is 7351711225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2765077056 + 2456094481 = 52584^2 + 49559^2 .

It is a cyclic number.

It is not a de Polignac number, because 5221171537 - 2³¹ = 3073687889 is a prime.

It is not a weakly prime, because it can be changed into another prime (5221171507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610585768 + 2610585769.

It is an arithmetic number, because the mean of its divisors is an integer number (2610585769).

Almost surely, 2^5221171537 is an apocalyptic number.

It is an amenable number.

5221171537 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221171537 is an equidigital number, since it uses as much as digits as its factorization.

5221171537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14700, while the sum is 34.

The square root of 5221171537 is about 72257.6745889321. The cubic root of 5221171537 is about 1734.8262593758.

The spelling of 5221171537 in words is "five billion, two hundred twenty-one million, one hundred seventy-one thousand, five hundred thirty-seven".