48348721 has 2 divisors, whose sum is σ = 48348722. Its totient is φ = 48348720.

The previous prime is 48348719. The next prime is 48348733. The reversal of 48348721 is 12784384.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30371121 + 17977600 = 5511^2 + 4240^2 .

It is a cyclic number.

It is not a de Polignac number, because 48348721 - 2¹ = 48348719 is a prime.

Together with 48348719, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48348701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24174360 + 24174361.

It is an arithmetic number, because the mean of its divisors is an integer number (24174361).

Almost surely, 2^48348721 is an apocalyptic number.

It is an amenable number.

48348721 is a deficient number, since it is larger than the sum of its proper divisors (1).

48348721 is an equidigital number, since it uses as much as digits as its factorization.

48348721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 37.

The square root of 48348721 is about 6953.3244566898. The cubic root of 48348721 is about 364.3020904229.

The spelling of 48348721 in words is "forty-eight million, three hundred forty-eight thousand, seven hundred twenty-one".