47838541 has 2 divisors, whose sum is σ = 47838542. Its totient is φ = 47838540.

The previous prime is 47838509. The next prime is 47838559. The reversal of 47838541 is 14583874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47817225 + 21316 = 6915^2 + 146^2 .

It is a cyclic number.

It is not a de Polignac number, because 47838541 - 2⁵ = 47838509 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 47838494 and 47838503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47538541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23919270 + 23919271.

It is an arithmetic number, because the mean of its divisors is an integer number (23919271).

Almost surely, 2^47838541 is an apocalyptic number.

It is an amenable number.

47838541 is a deficient number, since it is larger than the sum of its proper divisors (1).

47838541 is an equidigital number, since it uses as much as digits as its factorization.

47838541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 40.

The square root of 47838541 is about 6916.5411153264. The cubic root of 47838541 is about 363.0161740498.

The spelling of 47838541 in words is "forty-seven million, eight hundred thirty-eight thousand, five hundred forty-one".