5223697121 has 2 divisors, whose sum is σ = 5223697122. Its totient is φ = 5223697120.

The previous prime is 5223697099. The next prime is 5223697139. The reversal of 5223697121 is 1217963225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4227600400 + 996096721 = 65020^2 + 31561^2 .

It is a cyclic number.

It is not a de Polignac number, because 5223697121 - 2⁶ = 5223697057 is a prime.

It is a super-2 number, since 2×5223697121² = 54574023223887377282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5223697421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2611848560 + 2611848561.

It is an arithmetic number, because the mean of its divisors is an integer number (2611848561).

Almost surely, 2^5223697121 is an apocalyptic number.

It is an amenable number.

5223697121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5223697121 is an equidigital number, since it uses as much as digits as its factorization.

5223697121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 5223697121 is about 72275.1487096360. The cubic root of 5223697121 is about 1735.1059375500.

The spelling of 5223697121 in words is "five billion, two hundred twenty-three million, six hundred ninety-seven thousand, one hundred twenty-one".