5125423349 has 2 divisors, whose sum is σ = 5125423350. Its totient is φ = 5125423348.

The previous prime is 5125423343. The next prime is 5125423357. The reversal of 5125423349 is 9433245215.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5118400849 + 7022500 = 71543^2 + 2650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5125423349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5125423343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562711674 + 2562711675.

It is an arithmetic number, because the mean of its divisors is an integer number (2562711675).

Almost surely, 2^5125423349 is an apocalyptic number.

It is an amenable number.

5125423349 is a deficient number, since it is larger than the sum of its proper divisors (1).

5125423349 is an equidigital number, since it uses as much as digits as its factorization.

5125423349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 38.

The square root of 5125423349 is about 71592.0620529958. The cubic root of 5125423349 is about 1724.1560920329.

The spelling of 5125423349 in words is "five billion, one hundred twenty-five million, four hundred twenty-three thousand, three hundred forty-nine".