47885251 has 2 divisors, whose sum is σ = 47885252. Its totient is φ = 47885250.

The previous prime is 47885239. The next prime is 47885261. The reversal of 47885251 is 15258874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47885251 - 2²⁵ = 14330819 is a prime.

It is not a weakly prime, because it can be changed into another prime (47885231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23942625 + 23942626.

It is an arithmetic number, because the mean of its divisors is an integer number (23942626).

Almost surely, 2^47885251 is an apocalyptic number.

47885251 is a deficient number, since it is larger than the sum of its proper divisors (1).

47885251 is an equidigital number, since it uses as much as digits as its factorization.

47885251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 40.

The square root of 47885251 is about 6919.9169792708. The cubic root of 47885251 is about 363.1342864149.

The spelling of 47885251 in words is "forty-seven million, eight hundred eighty-five thousand, two hundred fifty-one".