5157827321 has 2 divisors, whose sum is σ = 5157827322. Its totient is φ = 5157827320.

The previous prime is 5157827291. The next prime is 5157827357. The reversal of 5157827321 is 1237287515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5121406096 + 36421225 = 71564^2 + 6035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5157827321 is a prime.

It is not a weakly prime, because it can be changed into another prime (5157820321) 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, 2578913660 + 2578913661.

It is an arithmetic number, because the mean of its divisors is an integer number (2578913661).

Almost surely, 2^5157827321 is an apocalyptic number.

It is an amenable number.

5157827321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157827321 is an equidigital number, since it uses as much as digits as its factorization.

5157827321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 41.

The square root of 5157827321 is about 71818.0152956067. The cubic root of 5157827321 is about 1727.7819504429.

The spelling of 5157827321 in words is "five billion, one hundred fifty-seven million, eight hundred twenty-seven thousand, three hundred twenty-one".