6725381197 has 2 divisors, whose sum is σ = 6725381198. Its totient is φ = 6725381196.

The previous prime is 6725381137. The next prime is 6725381207. The reversal of 6725381197 is 7911835276.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6455961801 + 269419396 = 80349^2 + 16414^2 .

It is a cyclic number.

It is not a de Polignac number, because 6725381197 - 2¹¹ = 6725379149 is a prime.

It is a super-2 number, since 2×6725381197² = 90461504489922305618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6725381197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6725381107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3362690598 + 3362690599.

It is an arithmetic number, because the mean of its divisors is an integer number (3362690599).

Almost surely, 2^6725381197 is an apocalyptic number.

It is an amenable number.

6725381197 is a deficient number, since it is larger than the sum of its proper divisors (1).

6725381197 is an equidigital number, since it uses as much as digits as its factorization.

6725381197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The square root of 6725381197 is about 82008.4215004776. The cubic root of 6725381197 is about 1887.5811648913.

The spelling of 6725381197 in words is "six billion, seven hundred twenty-five million, three hundred eighty-one thousand, one hundred ninety-seven".