7031325609 has 105 divisors (see below), whose sum is σ = 13440301149. Its totient is φ = 3652636680.

The previous prime is 7031325589. The next prime is 7031325641. The reversal of 7031325609 is 9065231307.

The square root of 7031325609 is 83853.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 7031325609 - 2⁹ = 7031325097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7031325659) by changing a digit.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 639211414 + ... + 639211424.

Almost surely, 2^7031325609 is an apocalyptic number.

7031325609 is the 83853-rd square number.

7031325609 is the 41927-th centered octagonal number.

It is an amenable number.

7031325609 is a deficient number, since it is larger than the sum of its proper divisors (6408975540).

7031325609 is an frugal number, since it uses more digits than its factorization.

7031325609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The cubic root of 7031325609 is about 1915.7804479092.

Multiplying 7031325609 by its sum of digits (36), we get a square (253127721924 = 503118²).

The spelling of 7031325609 in words is "seven billion, thirty-one million, three hundred twenty-five thousand, six hundred nine".