3601261 has 4 divisors (see below), whose sum is σ = 3610012. Its totient is φ = 3592512.

The previous prime is 3601253. The next prime is 3601267. The reversal of 3601261 is 1621063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1621063 = 23 ⋅70481.

It can be written as a sum of positive squares in 2 ways, for example, as 2175625 + 1425636 = 1475^2 + 1194^2 .

It is a cyclic number.

It is not a de Polignac number, because 3601261 - 2³ = 3601253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3726 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (902503).

Almost surely, 2^3601261 is an apocalyptic number.

It is an amenable number.

3601261 is a deficient number, since it is larger than the sum of its proper divisors (8751).

3601261 is an equidigital number, since it uses as much as digits as its factorization.

3601261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3601261 is about 1897.6988696840. The cubic root of 3601261 is about 153.2797791341.

The spelling of 3601261 in words is "three million, six hundred one thousand, two hundred sixty-one".