5177185613 has 4 divisors (see below), whose sum is σ = 5189483388. Its totient is φ = 5164887840.

The previous prime is 5177185571. The next prime is 5177185639. The reversal of 5177185613 is 3165817715.

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 10738729 + 5166446884 = 3277^2 + 71878^2 .

It is a cyclic number.

It is not a de Polignac number, because 5177185613 - 2⁶ = 5177185549 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 (5177185813) 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, 6148256 + ... + 6149097.

It is an arithmetic number, because the mean of its divisors is an integer number (1297370847).

Almost surely, 2^5177185613 is an apocalyptic number.

It is an amenable number.

5177185613 is a deficient number, since it is larger than the sum of its proper divisors (12297775).

5177185613 is a wasteful number, since it uses less digits than its factorization.

5177185613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12297774.

The product of its digits is 176400, while the sum is 44.

The square root of 5177185613 is about 71952.6623065471. The cubic root of 5177185613 is about 1729.9408149086.

The spelling of 5177185613 in words is "five billion, one hundred seventy-seven million, one hundred eighty-five thousand, six hundred thirteen".