5181290347 has 2 divisors, whose sum is σ = 5181290348. Its totient is φ = 5181290346.

The previous prime is 5181290281. The next prime is 5181290353. The reversal of 5181290347 is 7430921815.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5181290347 is a prime.

It is not a weakly prime, because it can be changed into another prime (5181294347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590645173 + 2590645174.

It is an arithmetic number, because the mean of its divisors is an integer number (2590645174).

Almost surely, 2^5181290347 is an apocalyptic number.

5181290347 is a deficient number, since it is larger than the sum of its proper divisors (1).

5181290347 is an equidigital number, since it uses as much as digits as its factorization.

5181290347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 5181290347 is about 71981.1805057405. The cubic root of 5181290347 is about 1730.3978889237.

The spelling of 5181290347 in words is "five billion, one hundred eighty-one million, two hundred ninety thousand, three hundred forty-seven".