2112451541 has 2 divisors, whose sum is σ = 2112451542. Its totient is φ = 2112451540.

The previous prime is 2112451513. The next prime is 2112451567. The reversal of 2112451541 is 1451542112.

It is a happy number.

It is an a-pointer prime, because the next prime (2112451567) can be obtained adding 2112451541 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1398012100 + 714439441 = 37390^2 + 26729^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112451541 - 2¹⁰ = 2112450517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112451541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112451441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056225770 + 1056225771.

It is an arithmetic number, because the mean of its divisors is an integer number (1056225771).

Almost surely, 2^2112451541 is an apocalyptic number.

It is an amenable number.

2112451541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112451541 is an equidigital number, since it uses as much as digits as its factorization.

2112451541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600, while the sum is 26.

The square root of 2112451541 is about 45961.4136096792. The cubic root of 2112451541 is about 1283.1051606634.

Adding to 2112451541 its reverse (1451542112), we get a palindrome (3563993653).

The spelling of 2112451541 in words is "two billion, one hundred twelve million, four hundred fifty-one thousand, five hundred forty-one".