47235641 has 2 divisors, whose sum is σ = 47235642. Its totient is φ = 47235640.

The previous prime is 47235631. The next prime is 47235659. The reversal of 47235641 is 14653274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24157225 + 23078416 = 4915^2 + 4804^2 .

It is a cyclic number.

It is not a de Polignac number, because 47235641 - 2¹⁴ = 47219257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47235598 and 47235607.

It is not a weakly prime, because it can be changed into another prime (47235631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23617820 + 23617821.

It is an arithmetic number, because the mean of its divisors is an integer number (23617821).

Almost surely, 2^47235641 is an apocalyptic number.

It is an amenable number.

47235641 is a deficient number, since it is larger than the sum of its proper divisors (1).

47235641 is an equidigital number, since it uses as much as digits as its factorization.

47235641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 47235641 is about 6872.8189995081. The cubic root of 47235641 is about 361.4847145056.

The spelling of 47235641 in words is "forty-seven million, two hundred thirty-five thousand, six hundred forty-one".