2047951 has 4 divisors (see below), whose sum is σ = 2118600. Its totient is φ = 1977304.

The previous prime is 2047937. The next prime is 2047957. The reversal of 2047951 is 1597402.

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: 1597402 = 2 ⋅798701.

It is a cyclic number.

It is not a de Polignac number, because 2047951 - 2⁵ = 2047919 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35281 + ... + 35338.

It is an arithmetic number, because the mean of its divisors is an integer number (529650).

2^2047951 is an apocalyptic number.

2047951 is a deficient number, since it is larger than the sum of its proper divisors (70649).

2047951 is an equidigital number, since it uses as much as digits as its factorization.

2047951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70648.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2047951 is about 1431.0663856020. The cubic root of 2047951 is about 126.9910713544.

The spelling of 2047951 in words is "two million, forty-seven thousand, nine hundred fifty-one".