48217139 has 2 divisors, whose sum is σ = 48217140. Its totient is φ = 48217138.

The previous prime is 48217123. The next prime is 48217163. The reversal of 48217139 is 93171284.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48217139 - 2⁴ = 48217123 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 48217099 and 48217108.

It is not a weakly prime, because it can be changed into another prime (48217109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24108569 + 24108570.

It is an arithmetic number, because the mean of its divisors is an integer number (24108570).

Almost surely, 2^48217139 is an apocalyptic number.

48217139 is a deficient number, since it is larger than the sum of its proper divisors (1).

48217139 is an equidigital number, since it uses as much as digits as its factorization.

48217139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 48217139 is about 6943.8562053084. The cubic root of 48217139 is about 363.9713050479.

The spelling of 48217139 in words is "forty-eight million, two hundred seventeen thousand, one hundred thirty-nine".