2113471 has 2 divisors, whose sum is σ = 2113472. Its totient is φ = 2113470.

The previous prime is 2113469. The next prime is 2113511. The reversal of 2113471 is 1743112.

2113471 = 591² + 592² + ... + 596².

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113471 - 2¹ = 2113469 is a prime.

It is a super-3 number, since 3×2113471³ = 28321101065854758333, which contains 333 as substring.

Together with 2113469, it forms a pair of twin primes.

2113471 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056735 + 1056736.

It is an arithmetic number, because the mean of its divisors is an integer number (1056736).

2^2113471 is an apocalyptic number.

2113471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113471 is an equidigital number, since it uses as much as digits as its factorization.

2113471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 19.

The square root of 2113471 is about 1453.7781811542. The cubic root of 2113471 is about 128.3311534271.

Adding to 2113471 its reverse (1743112), we get a palindrome (3856583).

The spelling of 2113471 in words is "two million, one hundred thirteen thousand, four hundred seventy-one".