5278515 has 16 divisors (see below), whose sum is σ = 9213696. Its totient is φ = 2559200.

The previous prime is 5278499. The next prime is 5278519. The reversal of 5278515 is 5158725.

It is a happy number.

5278515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5278515 - 2⁴ = 5278499 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (5278519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15831 + ... + 16160.

It is an arithmetic number, because the mean of its divisors is an integer number (575856).

Almost surely, 2^5278515 is an apocalyptic number.

5278515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5278515 is a deficient number, since it is larger than the sum of its proper divisors (3935181).

5278515 is a wasteful number, since it uses less digits than its factorization.

5278515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32010.

The product of its digits is 14000, while the sum is 33.

The square root of 5278515 is about 2297.5019042430. The cubic root of 5278515 is about 174.1154274409.

The spelling of 5278515 in words is "five million, two hundred seventy-eight thousand, five hundred fifteen".