48178609 has 2 divisors, whose sum is σ = 48178610. Its totient is φ = 48178608.

The previous prime is 48178601. The next prime is 48178667. The reversal of 48178609 is 90687184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39652209 + 8526400 = 6297^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 48178609 - 2³ = 48178601 is a prime.

It is not a weakly prime, because it can be changed into another prime (48178601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24089304 + 24089305.

It is an arithmetic number, because the mean of its divisors is an integer number (24089305).

Almost surely, 2^48178609 is an apocalyptic number.

It is an amenable number.

48178609 is a deficient number, since it is larger than the sum of its proper divisors (1).

48178609 is an equidigital number, since it uses as much as digits as its factorization.

48178609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 48178609 is about 6941.0812558275. The cubic root of 48178609 is about 363.8743301839.

The spelling of 48178609 in words is "forty-eight million, one hundred seventy-eight thousand, six hundred nine".