2061261 has 8 divisors (see below), whose sum is σ = 3053760. Its totient is φ = 1374156.

The previous prime is 2061247. The next prime is 2061271. The reversal of 2061261 is 1621602.

It is a happy number.

It is not a de Polignac number, because 2061261 - 2⁶ = 2061197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38145 + ... + 38198.

It is an arithmetic number, because the mean of its divisors is an integer number (381720).

2^2061261 is an apocalyptic number.

It is an amenable number.

2061261 is a deficient number, since it is larger than the sum of its proper divisors (992499).

2061261 is an equidigital number, since it uses as much as digits as its factorization.

2061261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76352 (or 76346 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2061261 is about 1435.7092324005. The cubic root of 2061261 is about 127.2655900605.

Adding to 2061261 its reverse (1621602), we get a palindrome (3682863).

The spelling of 2061261 in words is "two million, sixty-one thousand, two hundred sixty-one".