5172761057 has 4 divisors (see below), whose sum is σ = 5173450260. Its totient is φ = 5172071856.

The previous prime is 5172761053. The next prime is 5172761119. The reversal of 5172761057 is 7501672715.

It is a happy number.

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 2397473296 + 2775287761 = 48964^2 + 52681^2 .

It is a cyclic number.

It is not a de Polignac number, because 5172761057 - 2² = 5172761053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5172761053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333218 + ... + 348395.

It is an arithmetic number, because the mean of its divisors is an integer number (1293362565).

Almost surely, 2^5172761057 is an apocalyptic number.

It is an amenable number.

5172761057 is a deficient number, since it is larger than the sum of its proper divisors (689203).

5172761057 is an equidigital number, since it uses as much as digits as its factorization.

5172761057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689202.

The product of its (nonzero) digits is 102900, while the sum is 41.

The square root of 5172761057 is about 71921.9094365549. The cubic root of 5172761057 is about 1729.4478571437.

The spelling of 5172761057 in words is "five billion, one hundred seventy-two million, seven hundred sixty-one thousand, fifty-seven".