2047261 has 4 divisors (see below), whose sum is σ = 2050300. Its totient is φ = 2044224.

The previous prime is 2047249. The next prime is 2047289. The reversal of 2047261 is 1627402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1512900 + 534361 = 1230^2 + 731^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047261 - 2¹¹ = 2045213 is a prime.

It is a Duffinian number.

2047261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047211) 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, 6 + ... + 2023.

It is an arithmetic number, because the mean of its divisors is an integer number (512575).

2^2047261 is an apocalyptic number.

It is an amenable number.

2047261 is a deficient number, since it is larger than the sum of its proper divisors (3039).

2047261 is a wasteful number, since it uses less digits than its factorization.

2047261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2047261 is about 1430.8252863295. The cubic root of 2047261 is about 126.9768077186.

The spelling of 2047261 in words is "two million, forty-seven thousand, two hundred sixty-one".