2141365 has 4 divisors (see below), whose sum is σ = 2569644. Its totient is φ = 1713088.

The previous prime is 2141333. The next prime is 2141401. The reversal of 2141365 is 5631412.

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 443556 + 1697809 = 666^2 + 1303^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141365 - 2⁵ = 2141333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214132 + ... + 214141.

It is an arithmetic number, because the mean of its divisors is an integer number (642411).

2^2141365 is an apocalyptic number.

It is an amenable number.

2141365 is a deficient number, since it is larger than the sum of its proper divisors (428279).

2141365 is an equidigital number, since it uses as much as digits as its factorization.

2141365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428278.

The product of its digits is 720, while the sum is 22.

The square root of 2141365 is about 1463.3403568548. The cubic root of 2141365 is about 128.8932674835.

Adding to 2141365 its reverse (5631412), we get a palindrome (7772777).

The spelling of 2141365 in words is "two million, one hundred forty-one thousand, three hundred sixty-five".