61325304653 has 2 divisors, whose sum is σ = 61325304654. Its totient is φ = 61325304652.

The previous prime is 61325304613. The next prime is 61325304659. The reversal of 61325304653 is 35640352316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51455478244 + 9869826409 = 226838^2 + 99347^2 .

It is a cyclic number.

It is not a de Polignac number, because 61325304653 - 2⁶ = 61325304589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61325304659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30662652326 + 30662652327.

It is an arithmetic number, because the mean of its divisors is an integer number (30662652327).

Almost surely, 2^61325304653 is an apocalyptic number.

It is an amenable number.

61325304653 is a deficient number, since it is larger than the sum of its proper divisors (1).

61325304653 is an equidigital number, since it uses as much as digits as its factorization.

61325304653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 61325304653 its reverse (35640352316), we get a palindrome (96965656969).

The spelling of 61325304653 in words is "sixty-one billion, three hundred twenty-five million, three hundred four thousand, six hundred fifty-three".