2611201 has 4 divisors (see below), whose sum is σ = 2681812. Its totient is φ = 2540592.

The previous prime is 2611199. The next prime is 2611207. The reversal of 2611201 is 1021162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1021162 = 2 ⋅510581.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 1113025 = 1224^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2611201 - 2¹ = 2611199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2611207) 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, 35250 + ... + 35323.

It is an arithmetic number, because the mean of its divisors is an integer number (670453).

It is a Proth number, since it is equal to 1275 ⋅ 2¹¹ + 1 and 1275 < 2¹¹.

2^2611201 is an apocalyptic number.

It is an amenable number.

2611201 is a deficient number, since it is larger than the sum of its proper divisors (70611).

2611201 is an equidigital number, since it uses as much as digits as its factorization.

2611201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70610.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2611201 is about 1615.9210995590. The cubic root of 2611201 is about 137.7040672367.

Adding to 2611201 its reverse (1021162), we get a palindrome (3632363).

It can be divided in two parts, 261120 and 1, that added together give a square (261121 = 511²).

The spelling of 2611201 in words is "two million, six hundred eleven thousand, two hundred one".