3491205061 has 2 divisors, whose sum is σ = 3491205062. Its totient is φ = 3491205060.

The previous prime is 3491205043. The next prime is 3491205127. The reversal of 3491205061 is 1605021943.

3491205061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2285796100 + 1205408961 = 47810^2 + 34719^2 .

It is a cyclic number.

It is not a de Polignac number, because 3491205061 - 2¹³ = 3491196869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3491205161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745602530 + 1745602531.

It is an arithmetic number, because the mean of its divisors is an integer number (1745602531).

Almost surely, 2^3491205061 is an apocalyptic number.

It is an amenable number.

3491205061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3491205061 is an equidigital number, since it uses as much as digits as its factorization.

3491205061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 3491205061 is about 59086.4202757283. The cubic root of 3491205061 is about 1517.0216756583.

The spelling of 3491205061 in words is "three billion, four hundred ninety-one million, two hundred five thousand, sixty-one".