1612605061 has 2 divisors, whose sum is σ = 1612605062. Its totient is φ = 1612605060.

The previous prime is 1612605053. The next prime is 1612605079. The reversal of 1612605061 is 1605062161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1592409025 + 20196036 = 39905^2 + 4494^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612605061 - 2³ = 1612605053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1612605041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806302530 + 806302531.

It is an arithmetic number, because the mean of its divisors is an integer number (806302531).

Almost surely, 2^1612605061 is an apocalyptic number.

It is an amenable number.

1612605061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612605061 is an equidigital number, since it uses as much as digits as its factorization.

1612605061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1612605061 is about 40157.2541516474. The cubic root of 1612605061 is about 1172.6705164329.

The spelling of 1612605061 in words is "one billion, six hundred twelve million, six hundred five thousand, sixty-one".