48780517 has 2 divisors, whose sum is σ = 48780518. Its totient is φ = 48780516.

The previous prime is 48780509. The next prime is 48780527. The reversal of 48780517 is 71508784.

48780517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48427681 + 352836 = 6959^2 + 594^2 .

It is a cyclic number.

It is not a de Polignac number, because 48780517 - 2³ = 48780509 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48780517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48780527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24390258 + 24390259.

It is an arithmetic number, because the mean of its divisors is an integer number (24390259).

Almost surely, 2^48780517 is an apocalyptic number.

It is an amenable number.

48780517 is a deficient number, since it is larger than the sum of its proper divisors (1).

48780517 is an equidigital number, since it uses as much as digits as its factorization.

48780517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 48780517 is about 6984.3050477481. The cubic root of 48780517 is about 365.3833889854.

The spelling of 48780517 in words is "forty-eight million, seven hundred eighty thousand, five hundred seventeen".