2288363521 has 2 divisors, whose sum is σ = 2288363522. Its totient is φ = 2288363520.

The previous prime is 2288363507. The next prime is 2288363593. The reversal of 2288363521 is 1253638822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1849000000 + 439363521 = 43000^2 + 20961^2 .

It is a cyclic number.

It is not a de Polignac number, because 2288363521 - 2¹⁷ = 2288232449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2288363501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144181760 + 1144181761.

It is an arithmetic number, because the mean of its divisors is an integer number (1144181761).

Almost surely, 2^2288363521 is an apocalyptic number.

It is an amenable number.

2288363521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2288363521 is an equidigital number, since it uses as much as digits as its factorization.

2288363521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 40.

The square root of 2288363521 is about 47836.8427156308. The cubic root of 2288363521 is about 1317.7762376273.

The spelling of 2288363521 in words is "two billion, two hundred eighty-eight million, three hundred sixty-three thousand, five hundred twenty-one".