5245797121 has 2 divisors, whose sum is σ = 5245797122. Its totient is φ = 5245797120.

The previous prime is 5245797101. The next prime is 5245797131. The reversal of 5245797121 is 1217975425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5197689025 + 48108096 = 72095^2 + 6936^2 .

It is a cyclic number.

It is not a de Polignac number, because 5245797121 - 2¹¹ = 5245795073 is a prime.

It is not a weakly prime, because it can be changed into another prime (5245797101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622898560 + 2622898561.

It is an arithmetic number, because the mean of its divisors is an integer number (2622898561).

Almost surely, 2^5245797121 is an apocalyptic number.

It is an amenable number.

5245797121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245797121 is an equidigital number, since it uses as much as digits as its factorization.

5245797121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 43.

The square root of 5245797121 is about 72427.8753036426. The cubic root of 5245797121 is about 1737.5494107095.

The spelling of 5245797121 in words is "five billion, two hundred forty-five million, seven hundred ninety-seven thousand, one hundred twenty-one".