2047451 has 4 divisors (see below), whose sum is σ = 2339952. Its totient is φ = 1754952.

The previous prime is 2047439. The next prime is 2047471. The reversal of 2047451 is 1547402.

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

It is a cyclic number.

It is not a de Polignac number, because 2047451 - 2⁶ = 2047387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2047471) 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, 146240 + ... + 146253.

It is an arithmetic number, because the mean of its divisors is an integer number (584988).

2^2047451 is an apocalyptic number.

2047451 is a deficient number, since it is larger than the sum of its proper divisors (292501).

2047451 is an equidigital number, since it uses as much as digits as its factorization.

2047451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292500.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2047451 is about 1430.8916800373. The cubic root of 2047451 is about 126.9807357061.

The spelling of 2047451 in words is "two million, forty-seven thousand, four hundred fifty-one".