147715213 has 2 divisors, whose sum is σ = 147715214. Its totient is φ = 147715212.

The previous prime is 147715201. The next prime is 147715229. The reversal of 147715213 is 312517741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97970404 + 49744809 = 9898^2 + 7053^2 .

It is an emirp because it is prime and its reverse (312517741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147715213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147715273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73857606 + 73857607.

It is an arithmetic number, because the mean of its divisors is an integer number (73857607).

Almost surely, 2^147715213 is an apocalyptic number.

It is an amenable number.

147715213 is a deficient number, since it is larger than the sum of its proper divisors (1).

147715213 is an equidigital number, since it uses as much as digits as its factorization.

147715213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 31.

The square root of 147715213 is about 12153.8147509331. The cubic root of 147715213 is about 528.6177498068.

The spelling of 147715213 in words is "one hundred forty-seven million, seven hundred fifteen thousand, two hundred thirteen".