304152481 has 2 divisors, whose sum is σ = 304152482. Its totient is φ = 304152480.

The previous prime is 304152479. The next prime is 304152509. The reversal of 304152481 is 184251403.

It is an a-pointer prime, because the next prime (304152509) can be obtained adding 304152481 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213598225 + 90554256 = 14615^2 + 9516^2 .

It is a cyclic number.

It is not a de Polignac number, because 304152481 - 2¹ = 304152479 is a prime.

It is a super-2 number, since 2×304152481² = 185017463396910722, which contains 22 as substring.

Together with 304152479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (304152781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152076240 + 152076241.

It is an arithmetic number, because the mean of its divisors is an integer number (152076241).

Almost surely, 2^304152481 is an apocalyptic number.

It is an amenable number.

304152481 is a deficient number, since it is larger than the sum of its proper divisors (1).

304152481 is an equidigital number, since it uses as much as digits as its factorization.

304152481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 304152481 is about 17439.9679185485. The cubic root of 304152481 is about 672.5074830453.

It can be divided in two parts, 30415 and 2481, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 304152481 in words is "three hundred four million, one hundred fifty-two thousand, four hundred eighty-one".