48428251 has 2 divisors, whose sum is σ = 48428252. Its totient is φ = 48428250.

The previous prime is 48428243. The next prime is 48428269. The reversal of 48428251 is 15282484.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48428251 - 2³ = 48428243 is a prime.

It is not a weakly prime, because it can be changed into another prime (48428221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24214125 + 24214126.

It is an arithmetic number, because the mean of its divisors is an integer number (24214126).

Almost surely, 2^48428251 is an apocalyptic number.

48428251 is a deficient number, since it is larger than the sum of its proper divisors (1).

48428251 is an equidigital number, since it uses as much as digits as its factorization.

48428251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20480, while the sum is 34.

The square root of 48428251 is about 6959.0409540396. The cubic root of 48428251 is about 364.5017308205.

The spelling of 48428251 in words is "forty-eight million, four hundred twenty-eight thousand, two hundred fifty-one".