48486409 has 2 divisors, whose sum is σ = 48486410. Its totient is φ = 48486408.

The previous prime is 48486407. The next prime is 48486421. The reversal of 48486409 is 90468484.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24720784 + 23765625 = 4972^2 + 4875^2 .

It is a cyclic number.

It is not a de Polignac number, because 48486409 - 2¹ = 48486407 is a prime.

Together with 48486407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (48486401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24243204 + 24243205.

It is an arithmetic number, because the mean of its divisors is an integer number (24243205).

Almost surely, 2^48486409 is an apocalyptic number.

It is an amenable number.

48486409 is a deficient number, since it is larger than the sum of its proper divisors (1).

48486409 is an equidigital number, since it uses as much as digits as its factorization.

48486409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 48486409 is about 6963.2182932894. The cubic root of 48486409 is about 364.6475837814.

The spelling of 48486409 in words is "forty-eight million, four hundred eighty-six thousand, four hundred nine".