7209813025 has 12 divisors (see below), whose sum is σ = 8941249152. Its totient is φ = 5767153040.

The previous prime is 7209812969. The next prime is 7209813049. The reversal of 7209813025 is 5203189027.

It is not a de Polignac number, because 7209813025 - 2²⁹ = 6672942113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326484 + ... + 347866.

It is an arithmetic number, because the mean of its divisors is an integer number (745104096).

Almost surely, 2^7209813025 is an apocalyptic number.

It is an amenable number.

7209813025 is a deficient number, since it is larger than the sum of its proper divisors (1731436127).

7209813025 is a wasteful number, since it uses less digits than its factorization.

7209813025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34880 (or 34875 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 7209813025 is about 84910.6178578392. The cubic root of 7209813025 is about 1931.8556275866.

The spelling of 7209813025 in words is "seven billion, two hundred nine million, eight hundred thirteen thousand, twenty-five".