2087801 has 2 divisors, whose sum is σ = 2087802. Its totient is φ = 2087800.

The previous prime is 2087791. The next prime is 2087807. The reversal of 2087801 is 1087802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2027776 + 60025 = 1424^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2087801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2087807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043900 + 1043901.

It is an arithmetic number, because the mean of its divisors is an integer number (1043901).

2^2087801 is an apocalyptic number.

It is an amenable number.

2087801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087801 is an equidigital number, since it uses as much as digits as its factorization.

2087801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 2087801 is about 1444.9224892706. The cubic root of 2087801 is about 127.8094699517.

Subtracting from 2087801 its reverse (1087802), we obtain a palindrome (999999).

The spelling of 2087801 in words is "two million, eighty-seven thousand, eight hundred one".