2112004457 has 2 divisors, whose sum is σ = 2112004458. Its totient is φ = 2112004456.

The previous prime is 2112004399. The next prime is 2112004459. The reversal of 2112004457 is 7544002112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1186871401 + 925133056 = 34451^2 + 30416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112004457 - 2¹⁶ = 2111938921 is a prime.

Together with 2112004459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2112004459) 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 as a sum of consecutive naturals, namely, 1056002228 + 1056002229.

It is an arithmetic number, because the mean of its divisors is an integer number (1056002229).

Almost surely, 2^2112004457 is an apocalyptic number.

It is an amenable number.

2112004457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112004457 is an equidigital number, since it uses as much as digits as its factorization.

2112004457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2112004457 is about 45956.5496637857. The cubic root of 2112004457 is about 1283.0146345217.

Adding to 2112004457 its reverse (7544002112), we get a palindrome (9656006569).

The spelling of 2112004457 in words is "two billion, one hundred twelve million, four thousand, four hundred fifty-seven".