8504253253 has 4 divisors (see below), whose sum is σ = 8540752428. Its totient is φ = 8467754080.

The previous prime is 8504253229. The next prime is 8504253283. The reversal of 8504253253 is 3523524058.

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 4209154884 + 4295098369 = 64878^2 + 65537^2 .

It is a cyclic number.

It is not a de Polignac number, because 8504253253 - 2⁵ = 8504253221 is a prime.

It is a super-2 number, since 2×8504253253² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8504253203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18249238 + ... + 18249703.

It is an arithmetic number, because the mean of its divisors is an integer number (2135188107).

Almost surely, 2^8504253253 is an apocalyptic number.

It is an amenable number.

8504253253 is a deficient number, since it is larger than the sum of its proper divisors (36499175).

8504253253 is a wasteful number, since it uses less digits than its factorization.

8504253253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36499174.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 8504253253 is about 92218.5081911435. The cubic root of 8504253253 is about 2041.1678924687.

It can be divided in two parts, 8504 and 253253, that multiplied together give a palindrome (2153663512).

The spelling of 8504253253 in words is "eight billion, five hundred four million, two hundred fifty-three thousand, two hundred fifty-three".