47643601 has 2 divisors, whose sum is σ = 47643602. Its totient is φ = 47643600.

The previous prime is 47643539. The next prime is 47643611. The reversal of 47643601 is 10634674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30636225 + 17007376 = 5535^2 + 4124^2 .

It is a cyclic number.

It is not a de Polignac number, because 47643601 - 2¹⁷ = 47512529 is a prime.

It is equal to p_2868052 and since 47643601 and 2868052 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47643611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23821800 + 23821801.

It is an arithmetic number, because the mean of its divisors is an integer number (23821801).

Almost surely, 2^47643601 is an apocalyptic number.

It is an amenable number.

47643601 is a deficient number, since it is larger than the sum of its proper divisors (1).

47643601 is an equidigital number, since it uses as much as digits as its factorization.

47643601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 47643601 is about 6902.4344256212. The cubic root of 47643601 is about 362.5224109807.

The spelling of 47643601 in words is "forty-seven million, six hundred forty-three thousand, six hundred one".