47438527 has 2 divisors, whose sum is σ = 47438528. Its totient is φ = 47438526.

The previous prime is 47438509. The next prime is 47438549. The reversal of 47438527 is 72583474.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47438527 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47438527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47438507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23719263 + 23719264.

It is an arithmetic number, because the mean of its divisors is an integer number (23719264).

Almost surely, 2^47438527 is an apocalyptic number.

47438527 is a deficient number, since it is larger than the sum of its proper divisors (1).

47438527 is an equidigital number, since it uses as much as digits as its factorization.

47438527 is an evil number, because the sum of its binary digits is even.

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

The square root of 47438527 is about 6887.5632120511. The cubic root of 47438527 is about 362.0015236549.

The spelling of 47438527 in words is "forty-seven million, four hundred thirty-eight thousand, five hundred twenty-seven".