5221241969 has 2 divisors, whose sum is σ = 5221241970. Its totient is φ = 5221241968.

The previous prime is 5221241951. The next prime is 5221242077. The reversal of 5221241969 is 9691421225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4450624369 + 770617600 = 66713^2 + 27760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5221241969 is a prime.

It is a super-2 number, since 2×5221241969² = 54522735397693993922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5221241369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610620984 + 2610620985.

It is an arithmetic number, because the mean of its divisors is an integer number (2610620985).

Almost surely, 2^5221241969 is an apocalyptic number.

It is an amenable number.

5221241969 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221241969 is an equidigital number, since it uses as much as digits as its factorization.

5221241969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 5221241969 is about 72258.1619542042. The cubic root of 5221241969 is about 1734.8340600984.

The spelling of 5221241969 in words is "five billion, two hundred twenty-one million, two hundred forty-one thousand, nine hundred sixty-nine".