3941258197 has 2 divisors, whose sum is σ = 3941258198. Its totient is φ = 3941258196.

The previous prime is 3941258159. The next prime is 3941258221. The reversal of 3941258197 is 7918521493.

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., 3623919601 + 317338596 = 60199^2 + 17814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3941258197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3941258197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3941258107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970629098 + 1970629099.

It is an arithmetic number, because the mean of its divisors is an integer number (1970629099).

Almost surely, 2^3941258197 is an apocalyptic number.

It is an amenable number.

3941258197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3941258197 is an equidigital number, since it uses as much as digits as its factorization.

3941258197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 3941258197 is about 62779.4408783640. The cubic root of 3941258197 is about 1579.5921338122.

The spelling of 3941258197 in words is "three billion, nine hundred forty-one million, two hundred fifty-eight thousand, one hundred ninety-seven".