48525821 has 2 divisors, whose sum is σ = 48525822. Its totient is φ = 48525820.

The previous prime is 48525809. The next prime is 48525823. The reversal of 48525821 is 12852584.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25351225 + 23174596 = 5035^2 + 4814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48525821 is a prime.

Together with 48525823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48525823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24262910 + 24262911.

It is an arithmetic number, because the mean of its divisors is an integer number (24262911).

Almost surely, 2^48525821 is an apocalyptic number.

It is an amenable number.

48525821 is a deficient number, since it is larger than the sum of its proper divisors (1).

48525821 is an equidigital number, since it uses as much as digits as its factorization.

48525821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25600, while the sum is 35.

The square root of 48525821 is about 6966.0477316768. The cubic root of 48525821 is about 364.7463578413.

The spelling of 48525821 in words is "forty-eight million, five hundred twenty-five thousand, eight hundred twenty-one".