361506601 has 2 divisors, whose sum is σ = 361506602. Its totient is φ = 361506600.

The previous prime is 361506589. The next prime is 361506637. The reversal of 361506601 is 106605163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244109376 + 117397225 = 15624^2 + 10835^2 .

It is a cyclic number.

It is not a de Polignac number, because 361506601 - 2²⁵ = 327952169 is a prime.

It is a super-3 number, since 3×361506601³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 361506601.

It is not a weakly prime, because it can be changed into another prime (361506641) 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, 180753300 + 180753301.

It is an arithmetic number, because the mean of its divisors is an integer number (180753301).

Almost surely, 2^361506601 is an apocalyptic number.

It is an amenable number.

361506601 is a deficient number, since it is larger than the sum of its proper divisors (1).

361506601 is an equidigital number, since it uses as much as digits as its factorization.

361506601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 361506601 is about 19013.3269313921. The cubic root of 361506601 is about 712.3696536358.

The spelling of 361506601 in words is "three hundred sixty-one million, five hundred six thousand, six hundred one".