2587001 has 2 divisors, whose sum is σ = 2587002. Its totient is φ = 2587000.

The previous prime is 2586989. The next prime is 2587007. The reversal of 2587001 is 1007852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2496400 + 90601 = 1580^2 + 301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2587001 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2587007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293500 + 1293501.

It is an arithmetic number, because the mean of its divisors is an integer number (1293501).

2^2587001 is an apocalyptic number.

It is an amenable number.

2587001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2587001 is an equidigital number, since it uses as much as digits as its factorization.

2587001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2587001 is about 1608.4156801026. The cubic root of 2587001 is about 137.2773432229.

The spelling of 2587001 in words is "two million, five hundred eighty-seven thousand, one".