5297656481 has 8 divisors (see below), whose sum is σ = 5715721704. Its totient is φ = 4881098880.

The previous prime is 5297656471. The next prime is 5297656517. The reversal of 5297656481 is 1846567925.

It can be written as a sum of positive squares in 4 ways, for example, as 784504081 + 4513152400 = 28009^2 + 67180^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5297656481 - 2⁶ = 5297656417 is a prime.

It is a super-2 number, since 2×5297656481² = 56130328381362606722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5297656471) 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 in 7 ways as a sum of consecutive naturals, for example, 369596 + ... + 383661.

It is an arithmetic number, because the mean of its divisors is an integer number (714465213).

Almost surely, 2^5297656481 is an apocalyptic number.

It is an amenable number.

5297656481 is a deficient number, since it is larger than the sum of its proper divisors (418065223).

5297656481 is a wasteful number, since it uses less digits than its factorization.

5297656481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753811.

The product of its digits is 3628800, while the sum is 53.

The square root of 5297656481 is about 72785.0017586041. The cubic root of 5297656481 is about 1743.2563849655.

The spelling of 5297656481 in words is "five billion, two hundred ninety-seven million, six hundred fifty-six thousand, four hundred eighty-one".