4052521505 has 4 divisors (see below), whose sum is σ = 4863025812. Its totient is φ = 3242017200.

The previous prime is 4052521483. The next prime is 4052521511. The reversal of 4052521505 is 5051252504.

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 1282499344 + 2770022161 = 35812^2 + 52631^2 .

It is not a de Polignac number, because 4052521505 - 2¹⁰ = 4052520481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405252146 + ... + 405252155.

It is an arithmetic number, because the mean of its divisors is an integer number (1215756453).

Almost surely, 2^4052521505 is an apocalyptic number.

It is an amenable number.

4052521505 is a deficient number, since it is larger than the sum of its proper divisors (810504307).

4052521505 is an equidigital number, since it uses as much as digits as its factorization.

4052521505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810504306.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 4052521505 is about 63659.4180384961. The cubic root of 4052521505 is about 1594.3185874786.

The spelling of 4052521505 in words is "four billion, fifty-two million, five hundred twenty-one thousand, five hundred five".