2142587 has 2 divisors, whose sum is σ = 2142588. Its totient is φ = 2142586.

The previous prime is 2142583. The next prime is 2142601. The reversal of 2142587 is 7852412.

2142587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142587 - 2² = 2142583 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2142583) 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 as a sum of consecutive naturals, namely, 1071293 + 1071294.

It is an arithmetic number, because the mean of its divisors is an integer number (1071294).

2^2142587 is an apocalyptic number.

2142587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142587 is an equidigital number, since it uses as much as digits as its factorization.

2142587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 2142587 is about 1463.7578351626. The cubic root of 2142587 is about 128.9177810719.

Adding to 2142587 its reverse (7852412), we get a palindrome (9994999).

It can be divided in two parts, 21425 and 87, that added together give a palindrome (21512).

The spelling of 2142587 in words is "two million, one hundred forty-two thousand, five hundred eighty-seven".