48351521 has 2 divisors, whose sum is σ = 48351522. Its totient is φ = 48351520.

The previous prime is 48351517. The next prime is 48351539. The reversal of 48351521 is 12515384.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26635921 + 21715600 = 5161^2 + 4660^2 .

It is a cyclic number.

It is not a de Polignac number, because 48351521 - 2² = 48351517 is a prime.

It is not a weakly prime, because it can be changed into another prime (48351551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24175760 + 24175761.

It is an arithmetic number, because the mean of its divisors is an integer number (24175761).

Almost surely, 2^48351521 is an apocalyptic number.

It is an amenable number.

48351521 is a deficient number, since it is larger than the sum of its proper divisors (1).

48351521 is an equidigital number, since it uses as much as digits as its factorization.

48351521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 29.

The square root of 48351521 is about 6953.5257963137. The cubic root of 48351521 is about 364.3091228472.

The spelling of 48351521 in words is "forty-eight million, three hundred fifty-one thousand, five hundred twenty-one".