2061371 has 4 divisors (see below), whose sum is σ = 2219952. Its totient is φ = 1902792.

The previous prime is 2061361. The next prime is 2061379. The reversal of 2061371 is 1731602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1731602 = 2 ⋅865801.

It is a cyclic number.

It is not a de Polignac number, because 2061371 - 2¹⁰ = 2060347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061379) 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, 79271 + ... + 79296.

It is an arithmetic number, because the mean of its divisors is an integer number (554988).

2^2061371 is an apocalyptic number.

2061371 is a deficient number, since it is larger than the sum of its proper divisors (158581).

2061371 is a wasteful number, since it uses less digits than its factorization.

2061371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158580.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2061371 is about 1435.7475404820. The cubic root of 2061371 is about 127.2678538796.

Adding to 2061371 its reverse (1731602), we get a palindrome (3792973).

The spelling of 2061371 in words is "two million, sixty-one thousand, three hundred seventy-one".