47263549 has 2 divisors, whose sum is σ = 47263550. Its totient is φ = 47263548.

The previous prime is 47263457. The next prime is 47263627. The reversal of 47263549 is 94536274.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38812900 + 8450649 = 6230^2 + 2907^2 .

It is a cyclic number.

It is not a de Polignac number, because 47263549 - 2¹⁹ = 46739261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47293549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23631774 + 23631775.

It is an arithmetic number, because the mean of its divisors is an integer number (23631775).

Almost surely, 2^47263549 is an apocalyptic number.

It is an amenable number.

47263549 is a deficient number, since it is larger than the sum of its proper divisors (1).

47263549 is an equidigital number, since it uses as much as digits as its factorization.

47263549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 47263549 is about 6874.8490165239. The cubic root of 47263549 is about 361.5558918980. Note that the first 3 decimals are identical.

The spelling of 47263549 in words is "forty-seven million, two hundred sixty-three thousand, five hundred forty-nine".