7180831325 has 6 divisors (see below), whose sum is σ = 8904230874. Its totient is φ = 5744665040.

The previous prime is 7180831313. The next prime is 7180831337. The reversal of 7180831325 is 5231380817.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7180831313) and next prime (7180831337).

It can be written as a sum of positive squares in 3 ways, for example, as 816302041 + 6364529284 = 28571^2 + 79778^2 .

It is not a de Polignac number, because 7180831325 - 2⁶ = 7180831261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143616602 + ... + 143616651.

It is an arithmetic number, because the mean of its divisors is an integer number (1484038479).

Almost surely, 2^7180831325 is an apocalyptic number.

It is an amenable number.

7180831325 is a deficient number, since it is larger than the sum of its proper divisors (1723399549).

7180831325 is a wasteful number, since it uses less digits than its factorization.

7180831325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287233263 (or 287233258 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 7180831325 is about 84739.7859626752. The cubic root of 7180831325 is about 1929.2636210143.

The spelling of 7180831325 in words is "seven billion, one hundred eighty million, eight hundred thirty-one thousand, three hundred twenty-five".