104782949 has 2 divisors, whose sum is σ = 104782950. Its totient is φ = 104782948.

The previous prime is 104782903. The next prime is 104782957. The reversal of 104782949 is 949287401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104550625 + 232324 = 10225^2 + 482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104782949 is a prime.

It is a super-2 number, since 2×104782949² = 21958932802273202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104742949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52391474 + 52391475.

It is an arithmetic number, because the mean of its divisors is an integer number (52391475).

Almost surely, 2^104782949 is an apocalyptic number.

It is an amenable number.

104782949 is a deficient number, since it is larger than the sum of its proper divisors (1).

104782949 is an equidigital number, since it uses as much as digits as its factorization.

104782949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 104782949 is about 10236.3542826536. The cubic root of 104782949 is about 471.4441007041. Note that the first 3 decimals are identical.

The spelling of 104782949 in words is "one hundred four million, seven hundred eighty-two thousand, nine hundred forty-nine".