1304782949 has 2 divisors, whose sum is σ = 1304782950. Its totient is φ = 1304782948.

The previous prime is 1304782903. The next prime is 1304783003. The reversal of 1304782949 is 9492874031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1285581025 + 19201924 = 35855^2 + 4382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304782949 is a prime.

It is a super-2 number, since 2×1304782949² = 3404917088002273202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304782049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652391474 + 652391475.

It is an arithmetic number, because the mean of its divisors is an integer number (652391475).

Almost surely, 2^1304782949 is an apocalyptic number.

It is an amenable number.

1304782949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304782949 is an equidigital number, since it uses as much as digits as its factorization.

1304782949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1304782949 is about 36121.7794273759. The cubic root of 1304782949 is about 1092.7297260521.

The spelling of 1304782949 in words is "one billion, three hundred four million, seven hundred eighty-two thousand, nine hundred forty-nine".