652445544241 has 2 divisors, whose sum is σ = 652445544242. Its totient is φ = 652445544240.

The previous prime is 652445544239. The next prime is 652445544281. The reversal of 652445544241 is 142445544256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 526888708641 + 125556835600 = 725871^2 + 354340^2 .

It is a cyclic number.

It is not a de Polignac number, because 652445544241 - 2¹ = 652445544239 is a prime.

Together with 652445544239, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 652445544191 and 652445544200.

It is not a weakly prime, because it can be changed into another prime (652445544281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326222772120 + 326222772121.

It is an arithmetic number, because the mean of its divisors is an integer number (326222772121).

Almost surely, 2^652445544241 is an apocalyptic number.

It is an amenable number.

652445544241 is a deficient number, since it is larger than the sum of its proper divisors (1).

652445544241 is an equidigital number, since it uses as much as digits as its factorization.

652445544241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072000, while the sum is 46.

The spelling of 652445544241 in words is "six hundred fifty-two billion, four hundred forty-five million, five hundred forty-four thousand, two hundred forty-one".