5178587 has 4 divisors (see below), whose sum is σ = 5304936. Its totient is φ = 5052240.

The previous prime is 5178571. The next prime is 5178599. The reversal of 5178587 is 7858715.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7858715 = 5 ⋅1571743.

It is a cyclic number.

It is not a de Polignac number, because 5178587 - 2⁴ = 5178571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 126307 = 5178587 / (5 + 1 + 7 + 8 + 5 + 8 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5178517) 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, 63113 + ... + 63194.

It is an arithmetic number, because the mean of its divisors is an integer number (1326234).

Almost surely, 2^5178587 is an apocalyptic number.

5178587 is a deficient number, since it is larger than the sum of its proper divisors (126349).

5178587 is a wasteful number, since it uses less digits than its factorization.

5178587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126348.

The product of its digits is 78400, while the sum is 41.

The square root of 5178587 is about 2275.6508958977. The cubic root of 5178587 is about 173.0096890561.

The spelling of 5178587 in words is "five million, one hundred seventy-eight thousand, five hundred eighty-seven".