5121036247 has 2 divisors, whose sum is σ = 5121036248. Its totient is φ = 5121036246.

The previous prime is 5121036223. The next prime is 5121036317. The reversal of 5121036247 is 7426301215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5121036247 - 2¹⁵ = 5121003479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5121036647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560518123 + 2560518124.

It is an arithmetic number, because the mean of its divisors is an integer number (2560518124).

Almost surely, 2^5121036247 is an apocalyptic number.

5121036247 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121036247 is an equidigital number, since it uses as much as digits as its factorization.

5121036247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 5121036247 is about 71561.4159096926. The cubic root of 5121036247 is about 1723.6640216029.

The spelling of 5121036247 in words is "five billion, one hundred twenty-one million, thirty-six thousand, two hundred forty-seven".