305252520901 has 2 divisors, whose sum is σ = 305252520902. Its totient is φ = 305252520900.

The previous prime is 305252520857. The next prime is 305252520943. The reversal of 305252520901 is 109025252503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181876660900 + 123375860001 = 426470^2 + 351249^2 .

It is an emirp because it is prime and its reverse (109025252503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305252520901 - 2¹⁹ = 305251996613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305252620901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152626260450 + 152626260451.

It is an arithmetic number, because the mean of its divisors is an integer number (152626260451).

Almost surely, 2^305252520901 is an apocalyptic number.

It is an amenable number.

305252520901 is a deficient number, since it is larger than the sum of its proper divisors (1).

305252520901 is an equidigital number, since it uses as much as digits as its factorization.

305252520901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 305252520901 in words is "three hundred five billion, two hundred fifty-two million, five hundred twenty thousand, nine hundred one".