2251002289 has 2 divisors, whose sum is σ = 2251002290. Its totient is φ = 2251002288.

The previous prime is 2251002269. The next prime is 2251002319. The reversal of 2251002289 is 9822001522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022750625 + 228251664 = 44975^2 + 15108^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251002289 - 2¹⁹ = 2250478001 is a prime.

It is a super-2 number, since 2×2251002289² = 10134022610166479042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2251002289.

It is not a weakly prime, because it can be changed into another prime (2251002269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125501144 + 1125501145.

It is an arithmetic number, because the mean of its divisors is an integer number (1125501145).

Almost surely, 2^2251002289 is an apocalyptic number.

It is an amenable number.

2251002289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251002289 is an equidigital number, since it uses as much as digits as its factorization.

2251002289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 2251002289 is about 47444.7287799182. The cubic root of 2251002289 is about 1310.5652415734.

The spelling of 2251002289 in words is "two billion, two hundred fifty-one million, two thousand, two hundred eighty-nine".