2097471 has 4 divisors (see below), whose sum is σ = 2796632. Its totient is φ = 1398312.

The previous prime is 2097461. The next prime is 2097479. The reversal of 2097471 is 1747902.

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

It is not a de Polignac number, because 2097471 - 2⁹ = 2096959 is a prime.

It is a super-3 number, since 3×2097471³ = 27682744822869654333, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

2097471 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097479) 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, 349576 + ... + 349581.

It is an arithmetic number, because the mean of its divisors is an integer number (699158).

2^2097471 is an apocalyptic number.

2097471 is a deficient number, since it is larger than the sum of its proper divisors (699161).

2097471 is an equidigital number, since it uses as much as digits as its factorization.

2097471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699160.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 2097471 is about 1448.2648238496. The cubic root of 2097471 is about 128.0064897426.

The spelling of 2097471 in words is "two million, ninety-seven thousand, four hundred seventy-one".