2141254217 has 2 divisors, whose sum is σ = 2141254218. Its totient is φ = 2141254216.

The previous prime is 2141254123. The next prime is 2141254223. The reversal of 2141254217 is 7124521412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1445824576 + 695429641 = 38024^2 + 26371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141254217 - 2¹⁶ = 2141188681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2141254217.

It is not a weakly prime, because it can be changed into another prime (2141254277) 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, 1070627108 + 1070627109.

It is an arithmetic number, because the mean of its divisors is an integer number (1070627109).

Almost surely, 2^2141254217 is an apocalyptic number.

It is an amenable number.

2141254217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141254217 is an equidigital number, since it uses as much as digits as its factorization.

2141254217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 2141254217 is about 46273.6881715733. The cubic root of 2141254217 is about 1288.9104469115.

Adding to 2141254217 its reverse (7124521412), we get a palindrome (9265775629).

The spelling of 2141254217 in words is "two billion, one hundred forty-one million, two hundred fifty-four thousand, two hundred seventeen".