47287543 has 2 divisors, whose sum is σ = 47287544. Its totient is φ = 47287542.

The previous prime is 47287529. The next prime is 47287549. The reversal of 47287543 is 34578274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47287543 - 2⁵ = 47287511 is a prime.

It is a super-2 number, since 2×47287543² = 4472223445953698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47287496 and 47287505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47287549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23643771 + 23643772.

It is an arithmetic number, because the mean of its divisors is an integer number (23643772).

Almost surely, 2^47287543 is an apocalyptic number.

47287543 is a deficient number, since it is larger than the sum of its proper divisors (1).

47287543 is an equidigital number, since it uses as much as digits as its factorization.

47287543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 40.

The square root of 47287543 is about 6876.5938516100. The cubic root of 47287543 is about 361.6170645116.

The spelling of 47287543 in words is "forty-seven million, two hundred eighty-seven thousand, five hundred forty-three".