2159461 has 4 divisors (see below), whose sum is σ = 2194924. Its totient is φ = 2124000.

The previous prime is 2159453. The next prime is 2159473. The reversal of 2159461 is 1649512.

2159461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 216225 + 1943236 = 465^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159461 - 2³ = 2159453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156461) 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 3 ways as a sum of consecutive naturals, for example, 17640 + ... + 17761.

It is an arithmetic number, because the mean of its divisors is an integer number (548731).

2^2159461 is an apocalyptic number.

It is an amenable number.

2159461 is a deficient number, since it is larger than the sum of its proper divisors (35463).

2159461 is an equidigital number, since it uses as much as digits as its factorization.

2159461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35462.

The product of its digits is 2160, while the sum is 28.

The square root of 2159461 is about 1469.5104627052. The cubic root of 2159461 is about 129.2553282824.

The spelling of 2159461 in words is "two million, one hundred fifty-nine thousand, four hundred sixty-one".