48698509 has 2 divisors, whose sum is σ = 48698510. Its totient is φ = 48698508.

The previous prime is 48698497. The next prime is 48698513. The reversal of 48698509 is 90589684.

It is a happy number.

48698509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41964484 + 6734025 = 6478^2 + 2595^2 .

It is a cyclic number.

It is not a de Polignac number, because 48698509 - 2⁵ = 48698477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48698579) 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, 24349254 + 24349255.

It is an arithmetic number, because the mean of its divisors is an integer number (24349255).

Almost surely, 2^48698509 is an apocalyptic number.

It is an amenable number.

48698509 is a deficient number, since it is larger than the sum of its proper divisors (1).

48698509 is an equidigital number, since it uses as much as digits as its factorization.

48698509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 48698509 is about 6978.4317006044. The cubic root of 48698509 is about 365.1785177912.

The spelling of 48698509 in words is "forty-eight million, six hundred ninety-eight thousand, five hundred nine".