6209120225 has 24 divisors (see below), whose sum is σ = 9599141568. Its totient is φ = 3870619200.

The previous prime is 6209120221. The next prime is 6209120233. The reversal of 6209120225 is 5220219026.

It is not a de Polignac number, because 6209120225 - 2² = 6209120221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6209120221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1610834 + ... + 1614683.

It is an arithmetic number, because the mean of its divisors is an integer number (399964232).

Almost surely, 2^6209120225 is an apocalyptic number.

It is an amenable number.

6209120225 is a deficient number, since it is larger than the sum of its proper divisors (3390021343).

6209120225 is a wasteful number, since it uses less digits than its factorization.

6209120225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225545 (or 3225540 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6209120225 is about 78797.9709446887. The cubic root of 6209120225 is about 1837.9908978889.

The spelling of 6209120225 in words is "six billion, two hundred nine million, one hundred twenty thousand, two hundred twenty-five".