47630251 has 2 divisors, whose sum is σ = 47630252. Its totient is φ = 47630250.

The previous prime is 47630239. The next prime is 47630273. The reversal of 47630251 is 15203674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47630251 - 2⁷ = 47630123 is a prime.

It is not a weakly prime, because it can be changed into another prime (47630221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23815125 + 23815126.

It is an arithmetic number, because the mean of its divisors is an integer number (23815126).

Almost surely, 2^47630251 is an apocalyptic number.

47630251 is a deficient number, since it is larger than the sum of its proper divisors (1).

47630251 is an equidigital number, since it uses as much as digits as its factorization.

47630251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 47630251 is about 6901.4673077542. The cubic root of 47630251 is about 362.4885475573.

The spelling of 47630251 in words is "forty-seven million, six hundred thirty thousand, two hundred fifty-one".