48278617 has 2 divisors, whose sum is σ = 48278618. Its totient is φ = 48278616.

The previous prime is 48278611. The next prime is 48278641. The reversal of 48278617 is 71687284.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47831056 + 447561 = 6916^2 + 669^2 .

It is a cyclic number.

It is not a de Polignac number, because 48278617 - 2²³ = 39890009 is a prime.

It is a super-3 number, since 3×48278617³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (48278611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24139308 + 24139309.

It is an arithmetic number, because the mean of its divisors is an integer number (24139309).

Almost surely, 2^48278617 is an apocalyptic number.

It is an amenable number.

48278617 is a deficient number, since it is larger than the sum of its proper divisors (1).

48278617 is an equidigital number, since it uses as much as digits as its factorization.

48278617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 43.

The square root of 48278617 is about 6948.2815861190. The cubic root of 48278617 is about 364.1259300423.

The spelling of 48278617 in words is "forty-eight million, two hundred seventy-eight thousand, six hundred seventeen".