47101013 has 2 divisors, whose sum is σ = 47101014. Its totient is φ = 47101012.

The previous prime is 47101009. The next prime is 47101027. The reversal of 47101013 is 31010174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42745444 + 4355569 = 6538^2 + 2087^2 .

It is a cyclic number.

It is not a de Polignac number, because 47101013 - 2² = 47101009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47100982 and 47101000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47101063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23550506 + 23550507.

It is an arithmetic number, because the mean of its divisors is an integer number (23550507).

Almost surely, 2^47101013 is an apocalyptic number.

It is an amenable number.

47101013 is a deficient number, since it is larger than the sum of its proper divisors (1).

47101013 is an equidigital number, since it uses as much as digits as its factorization.

47101013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 47101013 is about 6863.0177764596. The cubic root of 47101013 is about 361.1409608532.

Adding to 47101013 its reverse (31010174), we get a palindrome (78111187).

It can be divided in two parts, 4 and 7101013, that added together give a palindrome (7101017).

The spelling of 47101013 in words is "forty-seven million, one hundred one thousand, thirteen".