47236249 has 2 divisors, whose sum is σ = 47236250. Its totient is φ = 47236248.

The previous prime is 47236247. The next prime is 47236283. The reversal of 47236249 is 94263274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46826649 + 409600 = 6843^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 47236249 - 2¹ = 47236247 is a prime.

Together with 47236247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47236243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23618124 + 23618125.

It is an arithmetic number, because the mean of its divisors is an integer number (23618125).

Almost surely, 2^47236249 is an apocalyptic number.

It is an amenable number.

47236249 is a deficient number, since it is larger than the sum of its proper divisors (1).

47236249 is an equidigital number, since it uses as much as digits as its factorization.

47236249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 47236249 is about 6872.8632315797. The cubic root of 47236249 is about 361.4862654656.

The spelling of 47236249 in words is "forty-seven million, two hundred thirty-six thousand, two hundred forty-nine".