47545973 has 2 divisors, whose sum is σ = 47545974. Its totient is φ = 47545972.

The previous prime is 47545963. The next prime is 47545997. The reversal of 47545973 is 37954574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44849809 + 2696164 = 6697^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 47545973 - 2¹⁴ = 47529589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47545963) 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, 23772986 + 23772987.

It is an arithmetic number, because the mean of its divisors is an integer number (23772987).

Almost surely, 2^47545973 is an apocalyptic number.

It is an amenable number.

47545973 is a deficient number, since it is larger than the sum of its proper divisors (1).

47545973 is an equidigital number, since it uses as much as digits as its factorization.

47545973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 44.

The square root of 47545973 is about 6895.3588013968. The cubic root of 47545973 is about 362.2746229653.

The spelling of 47545973 in words is "forty-seven million, five hundred forty-five thousand, nine hundred seventy-three".