4521255247 has 4 divisors (see below), whose sum is σ = 4787211456. Its totient is φ = 4255299040.

The previous prime is 4521255229. The next prime is 4521255251. The reversal of 4521255247 is 7425521254.

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

It is a cyclic number.

It is not a de Polignac number, because 4521255247 - 2¹¹ = 4521253199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521255227) 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, 132978079 + ... + 132978112.

It is an arithmetic number, because the mean of its divisors is an integer number (1196802864).

Almost surely, 2^4521255247 is an apocalyptic number.

4521255247 is a deficient number, since it is larger than the sum of its proper divisors (265956209).

4521255247 is a wasteful number, since it uses less digits than its factorization.

4521255247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265956208.

The product of its digits is 112000, while the sum is 37.

The square root of 4521255247 is about 67240.2799443905. The cubic root of 4521255247 is about 1653.5589232380.

The spelling of 4521255247 in words is "four billion, five hundred twenty-one million, two hundred fifty-five thousand, two hundred forty-seven".