47052149 has 2 divisors, whose sum is σ = 47052150. Its totient is φ = 47052148.

The previous prime is 47052143. The next prime is 47052193. The reversal of 47052149 is 94125074.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41049649 + 6002500 = 6407^2 + 2450^2 .

It is a cyclic number.

It is not a de Polignac number, because 47052149 - 2¹⁶ = 46986613 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47052143) 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, 23526074 + 23526075.

It is an arithmetic number, because the mean of its divisors is an integer number (23526075).

Almost surely, 2^47052149 is an apocalyptic number.

It is an amenable number.

47052149 is a deficient number, since it is larger than the sum of its proper divisors (1).

47052149 is an equidigital number, since it uses as much as digits as its factorization.

47052149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 47052149 is about 6859.4569027001. The cubic root of 47052149 is about 361.0160314957.

The spelling of 47052149 in words is "forty-seven million, fifty-two thousand, one hundred forty-nine".