48521729 has 2 divisors, whose sum is σ = 48521730. Its totient is φ = 48521728.

The previous prime is 48521663. The next prime is 48521761. The reversal of 48521729 is 92712584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43890625 + 4631104 = 6625^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 48521729 - 2²⁴ = 31744513 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 48521692 and 48521701.

It is not a weakly prime, because it can be changed into another prime (48521929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24260864 + 24260865.

It is an arithmetic number, because the mean of its divisors is an integer number (24260865).

Almost surely, 2^48521729 is an apocalyptic number.

It is an amenable number.

48521729 is a deficient number, since it is larger than the sum of its proper divisors (1).

48521729 is an equidigital number, since it uses as much as digits as its factorization.

48521729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 48521729 is about 6965.7540151803. The cubic root of 48521729 is about 364.7361049902.

The spelling of 48521729 in words is "forty-eight million, five hundred twenty-one thousand, seven hundred twenty-nine".