5181445 has 8 divisors (see below), whose sum is σ = 6310944. Its totient is φ = 4083024.

The previous prime is 5181431. The next prime is 5181469. The reversal of 5181445 is 5441815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5181445 - 2⁷ = 5181317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7399 + ... + 8068.

It is an arithmetic number, because the mean of its divisors is an integer number (788868).

Almost surely, 2^5181445 is an apocalyptic number.

It is an amenable number.

5181445 is a deficient number, since it is larger than the sum of its proper divisors (1129499).

5181445 is a wasteful number, since it uses less digits than its factorization.

5181445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15539.

The product of its digits is 3200, while the sum is 28.

The square root of 5181445 is about 2276.2787614877. The cubic root of 5181445 is about 173.0415105263.

The spelling of 5181445 in words is "five million, one hundred eighty-one thousand, four hundred forty-five".