47981201 has 2 divisors, whose sum is σ = 47981202. Its totient is φ = 47981200.

The previous prime is 47981183. The next prime is 47981209. The reversal of 47981201 is 10218974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41473600 + 6507601 = 6440^2 + 2551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47981201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47981209) 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, 23990600 + 23990601.

It is an arithmetic number, because the mean of its divisors is an integer number (23990601).

Almost surely, 2^47981201 is an apocalyptic number.

It is an amenable number.

47981201 is a deficient number, since it is larger than the sum of its proper divisors (1).

47981201 is an equidigital number, since it uses as much as digits as its factorization.

47981201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 47981201 is about 6926.8463964491. The cubic root of 47981201 is about 363.3766678573.

The spelling of 47981201 in words is "forty-seven million, nine hundred eighty-one thousand, two hundred one".