2251797289 has 8 divisors (see below), whose sum is σ = 2587702208. Its totient is φ = 1919447280.

The previous prime is 2251797269. The next prime is 2251797299. The reversal of 2251797289 is 9827971522.

It is a happy number.

2251797289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251797289 - 2¹⁵ = 2251764521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251797269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887367 + ... + 889900.

It is an arithmetic number, because the mean of its divisors is an integer number (323462776).

Almost surely, 2^2251797289 is an apocalyptic number.

It is an amenable number.

2251797289 is a deficient number, since it is larger than the sum of its proper divisors (335904919).

2251797289 is a wasteful number, since it uses less digits than its factorization.

2251797289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777455.

The product of its digits is 1270080, while the sum is 52.

The square root of 2251797289 is about 47453.1062102366. The cubic root of 2251797289 is about 1310.7195101464.

The spelling of 2251797289 in words is "two billion, two hundred fifty-one million, seven hundred ninety-seven thousand, two hundred eighty-nine".