5297801797 has 4 divisors (see below), whose sum is σ = 5303505420. Its totient is φ = 5292098176.

The previous prime is 5297801759. The next prime is 5297801813. The reversal of 5297801797 is 7971087925.

It is a Cunningham number, because it is equal to 72786²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102131236 + 5195670561 = 10106^2 + 72081^2 .

It is a cyclic number.

It is not a de Polignac number, because 5297801797 - 2¹⁹ = 5297277509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5297807797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2850418 + ... + 2852275.

It is an arithmetic number, because the mean of its divisors is an integer number (1325876355).

Almost surely, 2^5297801797 is an apocalyptic number.

It is an amenable number.

5297801797 is a deficient number, since it is larger than the sum of its proper divisors (5703623).

5297801797 is an equidigital number, since it uses as much as digits as its factorization.

5297801797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703622.

The product of its (nonzero) digits is 2222640, while the sum is 55.

The square root of 5297801797 is about 72786.0000068695. Note that the first 5 decimals coincide. The cubic root of 5297801797 is about 1743.2723241347.

The spelling of 5297801797 in words is "five billion, two hundred ninety-seven million, eight hundred one thousand, seven hundred ninety-seven".