2047251 has 4 divisors (see below), whose sum is σ = 2729672. Its totient is φ = 1364832.

The previous prime is 2047249. The next prime is 2047289. The reversal of 2047251 is 1527402.

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

It is not a de Polignac number, because 2047251 - 2¹ = 2047249 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (2047211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341206 + ... + 341211.

It is an arithmetic number, because the mean of its divisors is an integer number (682418).

2^2047251 is an apocalyptic number.

2047251 is a deficient number, since it is larger than the sum of its proper divisors (682421).

2047251 is an equidigital number, since it uses as much as digits as its factorization.

2047251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682420.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2047251 is about 1430.8217918385. The cubic root of 2047251 is about 126.9766009757.

The spelling of 2047251 in words is "two million, forty-seven thousand, two hundred fifty-one".