2061586 has 4 divisors (see below), whose sum is σ = 3092382. Its totient is φ = 1030792.

The previous prime is 2061583. The next prime is 2061589. The reversal of 2061586 is 6851602.

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

It is an interprime number because it is at equal distance from previous prime (2061583) and next prime (2061589).

It can be written as a sum of positive squares in only one way, i.e., 1168561 + 893025 = 1081^2 + 945^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2061583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515395 + ... + 515398.

2^2061586 is an apocalyptic number.

2061586 is a deficient number, since it is larger than the sum of its proper divisors (1030796).

2061586 is a wasteful number, since it uses less digits than its factorization.

2061586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030795.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2061586 is about 1435.8224124174. The cubic root of 2061586 is about 127.2722783843.

The spelling of 2061586 in words is "two million, sixty-one thousand, five hundred eighty-six".