305252620901 has 2 divisors, whose sum is σ = 305252620902. Its totient is φ = 305252620900.

The previous prime is 305252620879. The next prime is 305252620913. The reversal of 305252620901 is 109026252503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252053198401 + 53199422500 = 502049^2 + 230650^2 .

It is a cyclic number.

It is not a de Polignac number, because 305252620901 - 2¹⁰ = 305252619877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305252520901) 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, 152626310450 + 152626310451.

It is an arithmetic number, because the mean of its divisors is an integer number (152626310451).

Almost surely, 2^305252620901 is an apocalyptic number.

It is an amenable number.

305252620901 is a deficient number, since it is larger than the sum of its proper divisors (1).

305252620901 is an equidigital number, since it uses as much as digits as its factorization.

305252620901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 305252620901 in words is "three hundred five billion, two hundred fifty-two million, six hundred twenty thousand, nine hundred one".