48217109 has 2 divisors, whose sum is σ = 48217110. Its totient is φ = 48217108.

The previous prime is 48217093. The next prime is 48217123. The reversal of 48217109 is 90171284.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45900625 + 2316484 = 6775^2 + 1522^2 .

It is a cyclic number.

It is not a de Polignac number, because 48217109 - 2⁴ = 48217093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48217139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24108554 + 24108555.

It is an arithmetic number, because the mean of its divisors is an integer number (24108555).

Almost surely, 2^48217109 is an apocalyptic number.

It is an amenable number.

48217109 is a deficient number, since it is larger than the sum of its proper divisors (1).

48217109 is an equidigital number, since it uses as much as digits as its factorization.

48217109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 48217109 is about 6943.8540451251. The cubic root of 48217109 is about 363.9712295620.

The spelling of 48217109 in words is "forty-eight million, two hundred seventeen thousand, one hundred nine".