245226564041 has 2 divisors, whose sum is σ = 245226564042. Its totient is φ = 245226564040.

The previous prime is 245226563971. The next prime is 245226564049. The reversal of 245226564041 is 140465622542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240520604041 + 4705960000 = 490429^2 + 68600^2 .

It is a cyclic number.

It is not a de Polignac number, because 245226564041 - 2²² = 245222369737 is a prime.

It is a super-2 number, since 2×245226564041² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 245226564041.

It is not a weakly prime, because it can be changed into another prime (245226564049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122613282020 + 122613282021.

It is an arithmetic number, because the mean of its divisors is an integer number (122613282021).

Almost surely, 2^245226564041 is an apocalyptic number.

It is an amenable number.

245226564041 is a deficient number, since it is larger than the sum of its proper divisors (1).

245226564041 is an equidigital number, since it uses as much as digits as its factorization.

245226564041 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 245226564041 in words is "two hundred forty-five billion, two hundred twenty-six million, five hundred sixty-four thousand, forty-one".