5297734781 has 2 divisors, whose sum is σ = 5297734782. Its totient is φ = 5297734780.

The previous prime is 5297734759. The next prime is 5297734807. The reversal of 5297734781 is 1874377925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5078842756 + 218892025 = 71266^2 + 14795^2 .

It is a cyclic number.

It is not a de Polignac number, because 5297734781 - 2¹⁰ = 5297733757 is a prime.

It is a super-2 number, since 2×5297734781² = 56131987619634235922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5297734081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2648867390 + 2648867391.

It is an arithmetic number, because the mean of its divisors is an integer number (2648867391).

Almost surely, 2^5297734781 is an apocalyptic number.

It is an amenable number.

5297734781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5297734781 is an equidigital number, since it uses as much as digits as its factorization.

5297734781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 53.

The square root of 5297734781 is about 72785.5396421569. The cubic root of 5297734781 is about 1743.2649734362.

The spelling of 5297734781 in words is "five billion, two hundred ninety-seven million, seven hundred thirty-four thousand, seven hundred eighty-one".