47825251 has 2 divisors, whose sum is σ = 47825252. Its totient is φ = 47825250.

The previous prime is 47825243. The next prime is 47825363. The reversal of 47825251 is 15252874.

It is a happy number.

47825251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47825251 - 2³ = 47825243 is a prime.

It is not a weakly prime, because it can be changed into another prime (47825221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23912625 + 23912626.

It is an arithmetic number, because the mean of its divisors is an integer number (23912626).

Almost surely, 2^47825251 is an apocalyptic number.

47825251 is a deficient number, since it is larger than the sum of its proper divisors (1).

47825251 is an equidigital number, since it uses as much as digits as its factorization.

47825251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 34.

The square root of 47825251 is about 6915.5803082605. The cubic root of 47825251 is about 362.9825544920.

The spelling of 47825251 in words is "forty-seven million, eight hundred twenty-five thousand, two hundred fifty-one".