47821463 has 2 divisors, whose sum is σ = 47821464. Its totient is φ = 47821462.

The previous prime is 47821453. The next prime is 47821471. The reversal of 47821463 is 36412874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47821463 - 2⁶ = 47821399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47821453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23910731 + 23910732.

It is an arithmetic number, because the mean of its divisors is an integer number (23910732).

Almost surely, 2^47821463 is an apocalyptic number.

47821463 is a deficient number, since it is larger than the sum of its proper divisors (1).

47821463 is an equidigital number, since it uses as much as digits as its factorization.

47821463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 47821463 is about 6915.3064284961. The cubic root of 47821463 is about 362.9729708921.

It can be divided in two parts, 47821 and 463, that added together give a palindrome (48284).

The spelling of 47821463 in words is "forty-seven million, eight hundred twenty-one thousand, four hundred sixty-three".