5181392 has 10 divisors (see below), whose sum is σ = 10038978. Its totient is φ = 2590688.

The previous prime is 5181391. The next prime is 5181431. The reversal of 5181392 is 2931815.

It can be written as a sum of positive squares in only one way, i.e., 5125696 + 55696 = 2264^2 + 236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161903 + ... + 161934.

Almost surely, 2^5181392 is an apocalyptic number.

It is an amenable number.

5181392 is a deficient number, since it is larger than the sum of its proper divisors (4857586).

5181392 is a wasteful number, since it uses less digits than its factorization.

5181392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323845 (or 323839 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 5181392 is about 2276.2671196501. The cubic root of 5181392 is about 173.0409205216.

The spelling of 5181392 in words is "five million, one hundred eighty-one thousand, three hundred ninety-two".