2290821523 has 2 divisors, whose sum is σ = 2290821524. Its totient is φ = 2290821522.

The previous prime is 2290821503. The next prime is 2290821527. The reversal of 2290821523 is 3251280922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2290821523 - 2⁹ = 2290821011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2290821527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145410761 + 1145410762.

It is an arithmetic number, because the mean of its divisors is an integer number (1145410762).

Almost surely, 2^2290821523 is an apocalyptic number.

2290821523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290821523 is an equidigital number, since it uses as much as digits as its factorization.

2290821523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2290821523 is about 47862.5273361113. The cubic root of 2290821523 is about 1318.2478901935.

The spelling of 2290821523 in words is "two billion, two hundred ninety million, eight hundred twenty-one thousand, five hundred twenty-three".