47481001 has 2 divisors, whose sum is σ = 47481002. Its totient is φ = 47481000.

The previous prime is 47480999. The next prime is 47481029. The reversal of 47481001 is 10018474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41473600 + 6007401 = 6440^2 + 2451^2 .

It is a cyclic number.

It is not a de Polignac number, because 47481001 - 2¹ = 47480999 is a prime.

Together with 47480999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47481041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23740500 + 23740501.

It is an arithmetic number, because the mean of its divisors is an integer number (23740501).

Almost surely, 2^47481001 is an apocalyptic number.

It is an amenable number.

47481001 is a deficient number, since it is larger than the sum of its proper divisors (1).

47481001 is an equidigital number, since it uses as much as digits as its factorization.

47481001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 47481001 is about 6890.6459058640. The cubic root of 47481001 is about 362.1095305648.

Adding to 47481001 its reverse (10018474), we get a palindrome (57499475).

The spelling of 47481001 in words is "forty-seven million, four hundred eighty-one thousand, one".