5271561797 has 8 divisors (see below), whose sum is σ = 5690442240. Its totient is φ = 4868488240.

The previous prime is 5271561769. The next prime is 5271561803. The reversal of 5271561797 is 7971651725.

It is a happy number.

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 5271561797 - 2²⁰ = 5270513221 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 (5271561707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3951029 + ... + 3952362.

It is an arithmetic number, because the mean of its divisors is an integer number (711305280).

Almost surely, 2^5271561797 is an apocalyptic number.

It is an amenable number.

5271561797 is a deficient number, since it is larger than the sum of its proper divisors (418880443).

5271561797 is a wasteful number, since it uses less digits than its factorization.

5271561797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903443.

The product of its digits is 926100, while the sum is 50.

The square root of 5271561797 is about 72605.5218079176. The cubic root of 5271561797 is about 1740.3894179490.

The spelling of 5271561797 in words is "five billion, two hundred seventy-one million, five hundred sixty-one thousand, seven hundred ninety-seven".