2087571 has 8 divisors (see below), whose sum is σ = 2873344. Its totient is φ = 1346760.

The previous prime is 2087563. The next prime is 2087593. The reversal of 2087571 is 1757802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2087571 - 2³ = 2087563 is a prime.

It is a Duffinian number.

2087571 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2087531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11131 + ... + 11316.

It is an arithmetic number, because the mean of its divisors is an integer number (359168).

2^2087571 is an apocalyptic number.

2087571 is a deficient number, since it is larger than the sum of its proper divisors (785773).

2087571 is a wasteful number, since it uses less digits than its factorization.

2087571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22481.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 2087571 is about 1444.8428980342. The cubic root of 2087571 is about 127.8047764556.

The spelling of 2087571 in words is "two million, eighty-seven thousand, five hundred seventy-one".