47581207 has 2 divisors, whose sum is σ = 47581208. Its totient is φ = 47581206.

The previous prime is 47581129. The next prime is 47581217. The reversal of 47581207 is 70218574.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47581207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47581217) 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, 23790603 + 23790604.

It is an arithmetic number, because the mean of its divisors is an integer number (23790604).

Almost surely, 2^47581207 is an apocalyptic number.

47581207 is a deficient number, since it is larger than the sum of its proper divisors (1).

47581207 is an equidigital number, since it uses as much as digits as its factorization.

47581207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 47581207 is about 6897.9132351748. The cubic root of 47581207 is about 362.3640888831.

The spelling of 47581207 in words is "forty-seven million, five hundred eighty-one thousand, two hundred seven".