2141481 has 4 divisors (see below), whose sum is σ = 2855312. Its totient is φ = 1427652.

The previous prime is 2141467. The next prime is 2141497. The reversal of 2141481 is 1841412.

It is a happy number.

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.

It is not a de Polignac number, because 2141481 - 2⁶ = 2141417 is a prime.

It is a super-2 number, since 2×2141481² = 9171881746722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141401) 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, 356911 + ... + 356916.

It is an arithmetic number, because the mean of its divisors is an integer number (713828).

2^2141481 is an apocalyptic number.

It is an amenable number.

2141481 is a deficient number, since it is larger than the sum of its proper divisors (713831).

2141481 is an equidigital number, since it uses as much as digits as its factorization.

2141481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713830.

The product of its digits is 256, while the sum is 21.

The square root of 2141481 is about 1463.3799916631. The cubic root of 2141481 is about 128.8955948695.

Adding to 2141481 its reverse (1841412), we get a palindrome (3982893).

The spelling of 2141481 in words is "two million, one hundred forty-one thousand, four hundred eighty-one".