304253234981 has 2 divisors, whose sum is σ = 304253234982. Its totient is φ = 304253234980.

The previous prime is 304253234951. The next prime is 304253235061. The reversal of 304253234981 is 189432352403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284830353025 + 19422881956 = 533695^2 + 139366^2 .

It is a cyclic number.

It is not a de Polignac number, because 304253234981 - 2¹⁴ = 304253218597 is a prime.

It is a super-2 number, since 2×304253234981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304253234951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152126617490 + 152126617491.

It is an arithmetic number, because the mean of its divisors is an integer number (152126617491).

Almost surely, 2^304253234981 is an apocalyptic number.

It is an amenable number.

304253234981 is a deficient number, since it is larger than the sum of its proper divisors (1).

304253234981 is an equidigital number, since it uses as much as digits as its factorization.

304253234981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 304253234981 in words is "three hundred four billion, two hundred fifty-three million, two hundred thirty-four thousand, nine hundred eighty-one".