5121253499 has 2 divisors, whose sum is σ = 5121253500. Its totient is φ = 5121253498.

The previous prime is 5121253481. The next prime is 5121253549. The reversal of 5121253499 is 9943521215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5121253499 - 2⁸ = 5121253243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5121253409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560626749 + 2560626750.

It is an arithmetic number, because the mean of its divisors is an integer number (2560626750).

Almost surely, 2^5121253499 is an apocalyptic number.

5121253499 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121253499 is an equidigital number, since it uses as much as digits as its factorization.

5121253499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 5121253499 is about 71562.9338344928. The cubic root of 5121253499 is about 1723.6883958469.

The spelling of 5121253499 in words is "five billion, one hundred twenty-one million, two hundred fifty-three thousand, four hundred ninety-nine".