2141567 has 4 divisors (see below), whose sum is σ = 2154120. Its totient is φ = 2129016.

The previous prime is 2141549. The next prime is 2141569. The reversal of 2141567 is 7651412.

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 2141567 - 2⁸ = 2141311 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 (2141569) 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, 6017 + ... + 6362.

It is an arithmetic number, because the mean of its divisors is an integer number (538530).

2^2141567 is an apocalyptic number.

2141567 is a deficient number, since it is larger than the sum of its proper divisors (12553).

2141567 is a wasteful number, since it uses less digits than its factorization.

2141567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12552.

The product of its digits is 1680, while the sum is 26.

The square root of 2141567 is about 1463.4093753971. The cubic root of 2141567 is about 128.8973202911.

Adding to 2141567 its reverse (7651412), we get a palindrome (9792979).

The spelling of 2141567 in words is "two million, one hundred forty-one thousand, five hundred sixty-seven".