2251716541 has 4 divisors (see below), whose sum is σ = 2254715584. Its totient is φ = 2248717500.

The previous prime is 2251716529. The next prime is 2251716557. The reversal of 2251716541 is 1456171522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2251716541 - 2⁷ = 2251716413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2251716497 and 2251716506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251710541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498395 + ... + 1499896.

It is an arithmetic number, because the mean of its divisors is an integer number (563678896).

Almost surely, 2^2251716541 is an apocalyptic number.

It is an amenable number.

2251716541 is a deficient number, since it is larger than the sum of its proper divisors (2999043).

2251716541 is an equidigital number, since it uses as much as digits as its factorization.

2251716541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999042.

The product of its digits is 16800, while the sum is 34.

The square root of 2251716541 is about 47452.2553837012. The cubic root of 2251716541 is about 1310.7038427734.

The spelling of 2251716541 in words is "two billion, two hundred fifty-one million, seven hundred sixteen thousand, five hundred forty-one".