2524314320221 has 2 divisors, whose sum is σ = 2524314320222. Its totient is φ = 2524314320220.

The previous prime is 2524314320219. The next prime is 2524314320257. The reversal of 2524314320221 is 1220234134252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2301637923225 + 222676396996 = 1517115^2 + 471886^2 .

It is a cyclic number.

It is not a de Polignac number, because 2524314320221 - 2¹ = 2524314320219 is a prime.

Together with 2524314320219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2524314350221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262157160110 + 1262157160111.

It is an arithmetic number, because the mean of its divisors is an integer number (1262157160111).

Almost surely, 2^{2524314320221} is an apocalyptic number.

It is an amenable number.

2524314320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2524314320221 is an equidigital number, since it uses as much as digits as its factorization.

2524314320221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2524314320221 its reverse (1220234134252), we get a palindrome (3744548454473).

The spelling of 2524314320221 in words is "two trillion, five hundred twenty-four billion, three hundred fourteen million, three hundred twenty thousand, two hundred twenty-one".