2447261 has 4 divisors (see below), whose sum is σ = 2488800. Its totient is φ = 2405724.

The previous prime is 2447251. The next prime is 2447267. The reversal of 2447261 is 1627442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1627442 = 2 ⋅813721.

It is a cyclic number.

It is not a de Polignac number, because 2447261 - 2¹⁴ = 2430877 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2447261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20681 + ... + 20798.

It is an arithmetic number, because the mean of its divisors is an integer number (622200).

2^2447261 is an apocalyptic number.

It is an amenable number.

2447261 is a deficient number, since it is larger than the sum of its proper divisors (41539).

2447261 is an equidigital number, since it uses as much as digits as its factorization.

2447261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41538.

The product of its digits is 2688, while the sum is 26.

The square root of 2447261 is about 1564.3723981201. The cubic root of 2447261 is about 134.7597189062.

The spelling of 2447261 in words is "two million, four hundred forty-seven thousand, two hundred sixty-one".