47543459 has 2 divisors, whose sum is σ = 47543460. Its totient is φ = 47543458.

The previous prime is 47543443. The next prime is 47543471. The reversal of 47543459 is 95434574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47543459 - 2⁴ = 47543443 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (47543159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23771729 + 23771730.

It is an arithmetic number, because the mean of its divisors is an integer number (23771730).

Almost surely, 2^47543459 is an apocalyptic number.

47543459 is a deficient number, since it is larger than the sum of its proper divisors (1).

47543459 is an equidigital number, since it uses as much as digits as its factorization.

47543459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 47543459 is about 6895.1765024545. The cubic root of 47543459 is about 362.2682377456.

It can be divided in two parts, 475 and 43459, that added together give a palindrome (43934).

The spelling of 47543459 in words is "forty-seven million, five hundred forty-three thousand, four hundred fifty-nine".