48972251 has 2 divisors, whose sum is σ = 48972252. Its totient is φ = 48972250.

The previous prime is 48972229. The next prime is 48972263. The reversal of 48972251 is 15227984.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48972251 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (48972551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24486125 + 24486126.

It is an arithmetic number, because the mean of its divisors is an integer number (24486126).

Almost surely, 2^48972251 is an apocalyptic number.

48972251 is a deficient number, since it is larger than the sum of its proper divisors (1).

48972251 is an equidigital number, since it uses as much as digits as its factorization.

48972251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 48972251 is about 6998.0176478771. The cubic root of 48972251 is about 365.8614817178.

The spelling of 48972251 in words is "forty-eight million, nine hundred seventy-two thousand, two hundred fifty-one".