5181377 has 4 divisors (see below), whose sum is σ = 5201796. Its totient is φ = 5160960.

The previous prime is 5181353. The next prime is 5181383. The reversal of 5181377 is 7731815.

5181377 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4477456 + 703921 = 2116^2 + 839^2 .

It is a cyclic number.

It is not a de Polignac number, because 5181377 - 2¹⁰ = 5180353 is a prime.

It is a super-2 number, since 2×5181377² = 53693335232258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5181307) 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, 9824 + ... + 10337.

It is an arithmetic number, because the mean of its divisors is an integer number (1300449).

Almost surely, 2^5181377 is an apocalyptic number.

It is an amenable number.

5181377 is a deficient number, since it is larger than the sum of its proper divisors (20419).

5181377 is a wasteful number, since it uses less digits than its factorization.

5181377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20418.

The product of its digits is 5880, while the sum is 32.

The square root of 5181377 is about 2276.2638247795. The cubic root of 5181377 is about 173.0407535384.

The spelling of 5181377 in words is "five million, one hundred eighty-one thousand, three hundred seventy-seven".