7136210825 has 6 divisors (see below), whose sum is σ = 8848901454. Its totient is φ = 5708968640.

The previous prime is 7136210801. The next prime is 7136210827. The reversal of 7136210825 is 5280126317.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1437319744 + 5698891081 = 37912^2 + 75491^2 .

It is not a de Polignac number, because 7136210825 - 2²⁰ = 7135162249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7136210827) 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 5 ways as a sum of consecutive naturals, for example, 142724192 + ... + 142724241.

It is an arithmetic number, because the mean of its divisors is an integer number (1474816909).

Almost surely, 2^7136210825 is an apocalyptic number.

It is an amenable number.

7136210825 is a deficient number, since it is larger than the sum of its proper divisors (1712690629).

7136210825 is a wasteful number, since it uses less digits than its factorization.

7136210825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285448443 (or 285448438 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 7136210825 is about 84476.0961751903. The cubic root of 7136210825 is about 1925.2592735612.

The spelling of 7136210825 in words is "seven billion, one hundred thirty-six million, two hundred ten thousand, eight hundred twenty-five".