5278549 has 4 divisors (see below), whose sum is σ = 5286880. Its totient is φ = 5270220.

The previous prime is 5278547. The next prime is 5278571. The reversal of 5278549 is 9458725.

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.

It is a cyclic number.

It is not a de Polignac number, because 5278549 - 2¹ = 5278547 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278541) 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, 3129 + ... + 4510.

It is an arithmetic number, because the mean of its divisors is an integer number (1321720).

Almost surely, 2^5278549 is an apocalyptic number.

It is an amenable number.

5278549 is a deficient number, since it is larger than the sum of its proper divisors (8331).

5278549 is an equidigital number, since it uses as much as digits as its factorization.

5278549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8330.

The product of its digits is 100800, while the sum is 40.

The square root of 5278549 is about 2297.5093035720. The cubic root of 5278549 is about 174.1158012778.

The spelling of 5278549 in words is "five million, two hundred seventy-eight thousand, five hundred forty-nine".