305484749 has 2 divisors, whose sum is σ = 305484750. Its totient is φ = 305484748.

The previous prime is 305484743. The next prime is 305484761. The reversal of 305484749 is 947484503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258630724 + 46854025 = 16082^2 + 6845^2 .

It is a cyclic number.

It is not a de Polignac number, because 305484749 - 2⁸ = 305484493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305484743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152742374 + 152742375.

It is an arithmetic number, because the mean of its divisors is an integer number (152742375).

Almost surely, 2^305484749 is an apocalyptic number.

It is an amenable number.

305484749 is a deficient number, since it is larger than the sum of its proper divisors (1).

305484749 is an equidigital number, since it uses as much as digits as its factorization.

305484749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 305484749 is about 17478.1220101017. The cubic root of 305484749 is about 673.4879728203.

The spelling of 305484749 in words is "three hundred five million, four hundred eighty-four thousand, seven hundred forty-nine".