524220225449 has 2 divisors, whose sum is σ = 524220225450. Its totient is φ = 524220225448.

The previous prime is 524220225427. The next prime is 524220225469. The reversal of 524220225449 is 944522022425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339152487424 + 185067738025 = 582368^2 + 430195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-524220225449 is a prime.

It is not a weakly prime, because it can be changed into another prime (524220225409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262110112724 + 262110112725.

It is an arithmetic number, because the mean of its divisors is an integer number (262110112725).

Almost surely, 2^524220225449 is an apocalyptic number.

It is an amenable number.

524220225449 is a deficient number, since it is larger than the sum of its proper divisors (1).

524220225449 is an equidigital number, since it uses as much as digits as its factorization.

524220225449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 524220225449 in words is "five hundred twenty-four billion, two hundred twenty million, two hundred twenty-five thousand, four hundred forty-nine".