5206278 has 64 divisors (see below), whose sum is σ = 13271040. Its totient is φ = 1322400.

The previous prime is 5206273. The next prime is 5206291. The reversal of 5206278 is 8726025.

It is a super-2 number, since 2×5206278² = 54210661226568, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27163 + ... + 27353.

It is an arithmetic number, because the mean of its divisors is an integer number (207360).

Almost surely, 2^5206278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5206278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6635520).

5206278 is an abundant number, since it is smaller than the sum of its proper divisors (8064762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5206278 is a wasteful number, since it uses less digits than its factorization.

5206278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 5206278 is about 2281.7269775326. The cubic root of 5206278 is about 173.3175141710.

The spelling of 5206278 in words is "five million, two hundred six thousand, two hundred seventy-eight".