5178449 has 4 divisors (see below), whose sum is σ = 5188464. Its totient is φ = 5168436.

The previous prime is 5178419. The next prime is 5178487. The reversal of 5178449 is 9448715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9448715 = 5 ⋅1889743.

It is a cyclic number.

It is not a de Polignac number, because 5178449 - 2⁸ = 5178193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5178419) 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, 4187 + ... + 5280.

It is an arithmetic number, because the mean of its divisors is an integer number (1297116).

Almost surely, 2^5178449 is an apocalyptic number.

It is an amenable number.

5178449 is a deficient number, since it is larger than the sum of its proper divisors (10015).

5178449 is an equidigital number, since it uses as much as digits as its factorization.

5178449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10014.

The product of its digits is 40320, while the sum is 38.

The square root of 5178449 is about 2275.6205747004. The cubic root of 5178449 is about 173.0081522437.

The spelling of 5178449 in words is "five million, one hundred seventy-eight thousand, four hundred forty-nine".