2641261 has 8 divisors (see below), whose sum is σ = 3092544.
Its totient is φ = 2208480.
The previous prime is 2641237. The next prime is 2641277. The reversal of 2641261 is 1621462.
2641261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2641261 - 29 = 2640749 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2641061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4315 + ... + 4888.
It is an arithmetic number, because the mean of its divisors is an integer number (386568).
22641261 is an apocalyptic number.
It is an amenable number.
2641261 is a deficient number, since it is larger than the sum of its proper divisors (451283).
2641261 is an equidigital number, since it uses as much as digits as its factorization.
2641261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9251.
The product of its digits is 576, while the sum is 22.
The square root of 2641261 is about 1625.1956805259.
The cubic root of 2641261 is about 138.2304662584.
The spelling of 2641261 in words is "two million, six hundred forty-one thousand, two hundred sixty-one".