5178561 has 8 divisors (see below), whose sum is σ = 6957984. Its totient is φ = 3425760.

The previous prime is 5178553. The next prime is 5178571. The reversal of 5178561 is 1658715.

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

It is not a de Polignac number, because 5178561 - 2³ = 5178553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6196 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (869748).

Almost surely, 2^5178561 is an apocalyptic number.

It is an amenable number.

5178561 is a deficient number, since it is larger than the sum of its proper divisors (1779423).

5178561 is a wasteful number, since it uses less digits than its factorization.

5178561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13311.

The product of its digits is 8400, while the sum is 33.

The square root of 5178561 is about 2275.6451832393. The cubic root of 5178561 is about 173.0093995138.

The spelling of 5178561 in words is "five million, one hundred seventy-eight thousand, five hundred sixty-one".