1612305601 has 2 divisors, whose sum is σ = 1612305602. Its totient is φ = 1612305600.

The previous prime is 1612305593. The next prime is 1612305613. The reversal of 1612305601 is 1065032161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1289169025 + 323136576 = 35905^2 + 17976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612305601 - 2³ = 1612305593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1612305641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806152800 + 806152801.

It is an arithmetic number, because the mean of its divisors is an integer number (806152801).

Almost surely, 2^1612305601 is an apocalyptic number.

It is an amenable number.

1612305601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612305601 is an equidigital number, since it uses as much as digits as its factorization.

1612305601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1612305601 is about 40153.5253869445. The cubic root of 1612305601 is about 1172.5979238185.

Adding to 1612305601 its reverse (1065032161), we get a palindrome (2677337762).

The spelling of 1612305601 in words is "one billion, six hundred twelve million, three hundred five thousand, six hundred one".