3600601261 has 2 divisors, whose sum is σ = 3600601262. Its totient is φ = 3600601260.

The previous prime is 3600601243. The next prime is 3600601267. The reversal of 3600601261 is 1621060063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2039877225 + 1560724036 = 45165^2 + 39506^2 .

It is a cyclic number.

It is not a de Polignac number, because 3600601261 - 2¹³ = 3600593069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3600601267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800300630 + 1800300631.

It is an arithmetic number, because the mean of its divisors is an integer number (1800300631).

Almost surely, 2^3600601261 is an apocalyptic number.

It is an amenable number.

3600601261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3600601261 is an equidigital number, since it uses as much as digits as its factorization.

3600601261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3600601261 is about 60005.0102991409. The cubic root of 3600601261 is about 1532.7041844773.

The spelling of 3600601261 in words is "three billion, six hundred million, six hundred one thousand, two hundred sixty-one".