5278510145 has 4 divisors (see below), whose sum is σ = 6334212180. Its totient is φ = 4222808112.

The previous prime is 5278510141. The next prime is 5278510163. The reversal of 5278510145 is 5410158725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 584478976 + 4694031169 = 24176^2 + 68513^2 .

It is a cyclic number.

It is not a de Polignac number, because 5278510145 - 2² = 5278510141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5278510099 and 5278510108.

It is not an unprimeable number, because it can be changed into a prime (5278510141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527851010 + ... + 527851019.

It is an arithmetic number, because the mean of its divisors is an integer number (1583553045).

Almost surely, 2^5278510145 is an apocalyptic number.

It is an amenable number.

5278510145 is a deficient number, since it is larger than the sum of its proper divisors (1055702035).

5278510145 is a wasteful number, since it uses less digits than its factorization.

5278510145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055702034.

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 5278510145 is about 72653.3560477422. The cubic root of 5278510145 is about 1741.1537405901.

The spelling of 5278510145 in words is "five billion, two hundred seventy-eight million, five hundred ten thousand, one hundred forty-five".