5172154747 has 2 divisors, whose sum is σ = 5172154748. Its totient is φ = 5172154746.

The previous prime is 5172154723. The next prime is 5172154769. The reversal of 5172154747 is 7474512715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5172154747 - 2¹⁵ = 5172121979 is a prime.

It is not a weakly prime, because it can be changed into another prime (5172164747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586077373 + 2586077374.

It is an arithmetic number, because the mean of its divisors is an integer number (2586077374).

Almost surely, 2^5172154747 is an apocalyptic number.

5172154747 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172154747 is an equidigital number, since it uses as much as digits as its factorization.

5172154747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274400, while the sum is 43.

The square root of 5172154747 is about 71917.6942553083. The cubic root of 5172154747 is about 1729.3802837858.

The spelling of 5172154747 in words is "five billion, one hundred seventy-two million, one hundred fifty-four thousand, seven hundred forty-seven".