2485536521 has 4 divisors (see below), whose sum is σ = 2676731652. Its totient is φ = 2294341392.

The previous prime is 2485536511. The next prime is 2485536523. The reversal of 2485536521 is 1256355842.

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 165765625 + 2319770896 = 12875^2 + 48164^2 .

It is a cyclic number.

It is not a de Polignac number, because 2485536521 - 2²² = 2481342217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2485536523) 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, 95597546 + ... + 95597571.

It is an arithmetic number, because the mean of its divisors is an integer number (669182913).

Almost surely, 2^2485536521 is an apocalyptic number.

It is an amenable number.

2485536521 is a deficient number, since it is larger than the sum of its proper divisors (191195131).

2485536521 is a wasteful number, since it uses less digits than its factorization.

2485536521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191195130.

The product of its digits is 288000, while the sum is 41.

The square root of 2485536521 is about 49855.1554104488. The cubic root of 2485536521 is about 1354.5864164426.

The spelling of 2485536521 in words is "two billion, four hundred eighty-five million, five hundred thirty-six thousand, five hundred twenty-one".