48078409 has 2 divisors, whose sum is σ = 48078410. Its totient is φ = 48078408.

The previous prime is 48078403. The next prime is 48078461. The reversal of 48078409 is 90487084.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47997184 + 81225 = 6928^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 48078409 - 2⁵ = 48078377 is a prime.

It is a super-3 number, since 3×48078409³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (48078403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24039204 + 24039205.

It is an arithmetic number, because the mean of its divisors is an integer number (24039205).

Almost surely, 2^48078409 is an apocalyptic number.

It is an amenable number.

48078409 is a deficient number, since it is larger than the sum of its proper divisors (1).

48078409 is an equidigital number, since it uses as much as digits as its factorization.

48078409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 48078409 is about 6933.8596034243. The cubic root of 48078409 is about 363.6218978696.

The spelling of 48078409 in words is "forty-eight million, seventy-eight thousand, four hundred nine".