7182581252 has 48 divisors (see below), whose sum is σ = 15885808512. Its totient is φ = 2760065280.

The previous prime is 7182581251. The next prime is 7182581291. The reversal of 7182581252 is 2521852817.

It is not an unprimeable number, because it can be changed into a prime (7182581251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137243 + ... + 182210.

It is an arithmetic number, because the mean of its divisors is an integer number (330954344).

Almost surely, 2^7182581252 is an apocalyptic number.

It is an amenable number.

7182581252 is an abundant number, since it is smaller than the sum of its proper divisors (8703227260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7182581252 is a wasteful number, since it uses less digits than its factorization.

7182581252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319548 (or 319546 counting only the distinct ones).

The product of its digits is 89600, while the sum is 41.

The square root of 7182581252 is about 84750.1106311962. The cubic root of 7182581252 is about 1929.4203250755.

The spelling of 7182581252 in words is "seven billion, one hundred eighty-two million, five hundred eighty-one thousand, two hundred fifty-two".