47321413 has 2 divisors, whose sum is σ = 47321414. Its totient is φ = 47321412.

The previous prime is 47321411. The next prime is 47321453. The reversal of 47321413 is 31412374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34597924 + 12723489 = 5882^2 + 3567^2 .

It is a cyclic number.

It is not a de Polignac number, because 47321413 - 2¹ = 47321411 is a prime.

It is a super-2 number, since 2×47321413² = 4478632256633138, which contains 22 as substring.

Together with 47321411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47321411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23660706 + 23660707.

It is an arithmetic number, because the mean of its divisors is an integer number (23660707).

Almost surely, 2^47321413 is an apocalyptic number.

It is an amenable number.

47321413 is a deficient number, since it is larger than the sum of its proper divisors (1).

47321413 is an equidigital number, since it uses as much as digits as its factorization.

47321413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 47321413 is about 6879.0561125782. The cubic root of 47321413 is about 361.7033807387.

Adding to 47321413 its reverse (31412374), we get a palindrome (78733787).

The spelling of 47321413 in words is "forty-seven million, three hundred twenty-one thousand, four hundred thirteen".