2047321 has 4 divisors (see below), whose sum is σ = 2102692. Its totient is φ = 1991952.

The previous prime is 2047303. The next prime is 2047349. The reversal of 2047321 is 1237402.

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 1125721 + 921600 = 1061^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047321 - 2⁵ = 2047289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2047351) 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, 27630 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (525673).

2^2047321 is an apocalyptic number.

It is an amenable number.

2047321 is a deficient number, since it is larger than the sum of its proper divisors (55371).

2047321 is an equidigital number, since it uses as much as digits as its factorization.

2047321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55370.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2047321 is about 1430.8462530964. The cubic root of 2047321 is about 126.9780481620.

The spelling of 2047321 in words is "two million, forty-seven thousand, three hundred twenty-one".