47452213 has 2 divisors, whose sum is σ = 47452214. Its totient is φ = 47452212.

The previous prime is 47452201. The next prime is 47452217. The reversal of 47452213 is 31225474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 6517809 = 6398^2 + 2553^2 .

It is a cyclic number.

It is not a de Polignac number, because 47452213 - 2¹³ = 47444021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47452217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23726106 + 23726107.

It is an arithmetic number, because the mean of its divisors is an integer number (23726107).

Almost surely, 2^47452213 is an apocalyptic number.

It is an amenable number.

47452213 is a deficient number, since it is larger than the sum of its proper divisors (1).

47452213 is an equidigital number, since it uses as much as digits as its factorization.

47452213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 47452213 is about 6888.5566703047. The cubic root of 47452213 is about 362.0363327492.

Adding to 47452213 its reverse (31225474), we get a palindrome (78677687).

The spelling of 47452213 in words is "forty-seven million, four hundred fifty-two thousand, two hundred thirteen".