5177749 has 4 divisors (see below), whose sum is σ = 5182380. Its totient is φ = 5173120.

The previous prime is 5177723. The next prime is 5177761. The reversal of 5177749 is 9477715.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2002225 + 3175524 = 1415^2 + 1782^2 .

It is a cyclic number.

It is not a de Polignac number, because 5177749 - 2⁷ = 5177621 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5177719) 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, 519 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (1295595).

Almost surely, 2^5177749 is an apocalyptic number.

It is an amenable number.

5177749 is a deficient number, since it is larger than the sum of its proper divisors (4631).

5177749 is a wasteful number, since it uses less digits than its factorization.

5177749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630.

The product of its digits is 61740, while the sum is 40.

The square root of 5177749 is about 2275.4667653033. The cubic root of 5177749 is about 173.0003563983. Note that the first 3 decimals are identical.

The spelling of 5177749 in words is "five million, one hundred seventy-seven thousand, seven hundred forty-nine".