48609251 has 2 divisors, whose sum is σ = 48609252. Its totient is φ = 48609250.

The previous prime is 48609247. The next prime is 48609257. The reversal of 48609251 is 15290684.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48609251 - 2² = 48609247 is a prime.

It is not a weakly prime, because it can be changed into another prime (48609257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24304625 + 24304626.

It is an arithmetic number, because the mean of its divisors is an integer number (24304626).

Almost surely, 2^48609251 is an apocalyptic number.

48609251 is a deficient number, since it is larger than the sum of its proper divisors (1).

48609251 is an equidigital number, since it uses as much as digits as its factorization.

48609251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 48609251 is about 6972.0334910268. The cubic root of 48609251 is about 364.9552731833.

The spelling of 48609251 in words is "forty-eight million, six hundred nine thousand, two hundred fifty-one".