2087537 has 4 divisors (see below), whose sum is σ = 2109156. Its totient is φ = 2065920.

The previous prime is 2087531. The next prime is 2087539. The reversal of 2087537 is 7357802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1008016 + 1079521 = 1004^2 + 1039^2 .

It is a cyclic number.

It is not a de Polignac number, because 2087537 - 2¹² = 2083441 is a prime.

It is an Ulam number.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 10664 + ... + 10857.

It is an arithmetic number, because the mean of its divisors is an integer number (527289).

2^2087537 is an apocalyptic number.

It is an amenable number.

2087537 is a deficient number, since it is larger than the sum of its proper divisors (21619).

2087537 is an equidigital number, since it uses as much as digits as its factorization.

2087537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21618.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2087537 is about 1444.8311320012. The cubic root of 2087537 is about 127.8040826051.

The spelling of 2087537 in words is "two million, eighty-seven thousand, five hundred thirty-seven".