5261495771 has 8 divisors (see below), whose sum is σ = 6013680384. Its totient is φ = 4509446760.

The previous prime is 5261495747. The next prime is 5261495783. The reversal of 5261495771 is 1775941625.

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

It is a de Polignac number, because none of the positive numbers 2^k-5261495771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5261495171) 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, 70826 + ... + 124656.

It is an arithmetic number, because the mean of its divisors is an integer number (751710048).

Almost surely, 2^5261495771 is an apocalyptic number.

5261495771 is a deficient number, since it is larger than the sum of its proper divisors (752184613).

5261495771 is a wasteful number, since it uses less digits than its factorization.

5261495771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67801.

The product of its digits is 529200, while the sum is 47.

The square root of 5261495771 is about 72536.1687091343. The cubic root of 5261495771 is about 1739.2809565893.

The spelling of 5261495771 in words is "five billion, two hundred sixty-one million, four hundred ninety-five thousand, seven hundred seventy-one".