2587129 has 2 divisors, whose sum is σ = 2587130. Its totient is φ = 2587128.

The previous prime is 2587127. The next prime is 2587139. The reversal of 2587129 is 9217852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1505529 + 1081600 = 1227^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2587129 - 2¹ = 2587127 is a prime.

Together with 2587127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2587094 and 2587103.

It is not a weakly prime, because it can be changed into another prime (2587121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293564 + 1293565.

It is an arithmetic number, because the mean of its divisors is an integer number (1293565).

2^2587129 is an apocalyptic number.

It is an amenable number.

2587129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2587129 is an equidigital number, since it uses as much as digits as its factorization.

2587129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 2587129 is about 1608.4554703193. The cubic root of 2587129 is about 137.2796072614.

The spelling of 2587129 in words is "two million, five hundred eighty-seven thousand, one hundred twenty-nine".