47535947 has 2 divisors, whose sum is σ = 47535948. Its totient is φ = 47535946.

The previous prime is 47535937. The next prime is 47535949. The reversal of 47535947 is 74953574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47535947 - 2⁴ = 47535931 is a prime.

Together with 47535949, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47535898 and 47535907.

It is not a weakly prime, because it can be changed into another prime (47535949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23767973 + 23767974.

It is an arithmetic number, because the mean of its divisors is an integer number (23767974).

Almost surely, 2^47535947 is an apocalyptic number.

47535947 is a deficient number, since it is larger than the sum of its proper divisors (1).

47535947 is an equidigital number, since it uses as much as digits as its factorization.

47535947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 44.

The square root of 47535947 is about 6894.6317523128. The cubic root of 47535947 is about 362.2491569410.

The spelling of 47535947 in words is "forty-seven million, five hundred thirty-five thousand, nine hundred forty-seven".