2141651 has 4 divisors (see below), whose sum is σ = 2148072. Its totient is φ = 2135232.

The previous prime is 2141647. The next prime is 2141653. The reversal of 2141651 is 1561412.

2141651 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 is a cyclic number.

It is not a de Polignac number, because 2141651 - 2² = 2141647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141653) 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, 2681 + ... + 3386.

It is an arithmetic number, because the mean of its divisors is an integer number (537018).

2^2141651 is an apocalyptic number.

2141651 is a deficient number, since it is larger than the sum of its proper divisors (6421).

2141651 is an equidigital number, since it uses as much as digits as its factorization.

2141651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420.

The product of its digits is 240, while the sum is 20.

The square root of 2141651 is about 1463.4380752188. The cubic root of 2141651 is about 128.8990055421.

The spelling of 2141651 in words is "two million, one hundred forty-one thousand, six hundred fifty-one".