47989001 has 2 divisors, whose sum is σ = 47989002. Its totient is φ = 47989000.

The previous prime is 47988979. The next prime is 47989027. The reversal of 47989001 is 10098974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40704400 + 7284601 = 6380^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 47989001 - 2⁶ = 47988937 is a prime.

It is not a weakly prime, because it can be changed into another prime (47989031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23994500 + 23994501.

It is an arithmetic number, because the mean of its divisors is an integer number (23994501).

Almost surely, 2^47989001 is an apocalyptic number.

It is an amenable number.

47989001 is a deficient number, since it is larger than the sum of its proper divisors (1).

47989001 is an equidigital number, since it uses as much as digits as its factorization.

47989001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 47989001 is about 6927.4094003458. The cubic root of 47989001 is about 363.3963574050.

The spelling of 47989001 in words is "forty-seven million, nine hundred eighty-nine thousand, one".