5278025521 has 8 divisors (see below), whose sum is σ = 5301915840. Its totient is φ = 5254188912.

The previous prime is 5278025503. The next prime is 5278025531. The reversal of 5278025521 is 1255208725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5278025521 - 2⁷ = 5278025393 is a prime.

It is a super-3 number, since 3×5278025521³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5278025531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190476 + ... + 216418.

It is an arithmetic number, because the mean of its divisors is an integer number (662739480).

Almost surely, 2^5278025521 is an apocalyptic number.

It is an amenable number.

5278025521 is a deficient number, since it is larger than the sum of its proper divisors (23890319).

5278025521 is a wasteful number, since it uses less digits than its factorization.

5278025521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26855.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 5278025521 is about 72650.0207914630. The cubic root of 5278025521 is about 1741.1004534130.

The spelling of 5278025521 in words is "five billion, two hundred seventy-eight million, twenty-five thousand, five hundred twenty-one".