6725224397 has 2 divisors, whose sum is σ = 6725224398. Its totient is φ = 6725224396.

The previous prime is 6725224393. The next prime is 6725224399. The reversal of 6725224397 is 7934225276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4423048036 + 2302176361 = 66506^2 + 47981^2 .

It is a cyclic number.

It is not a de Polignac number, because 6725224397 - 2² = 6725224393 is a prime.

Together with 6725224399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6725224393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3362612198 + 3362612199.

It is an arithmetic number, because the mean of its divisors is an integer number (3362612199).

Almost surely, 2^6725224397 is an apocalyptic number.

It is an amenable number.

6725224397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6725224397 is an equidigital number, since it uses as much as digits as its factorization.

6725224397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 47.

The square root of 6725224397 is about 82007.4654955267. The cubic root of 6725224397 is about 1887.5664953373.

The spelling of 6725224397 in words is "six billion, seven hundred twenty-five million, two hundred twenty-four thousand, three hundred ninety-seven".