147320213 has 2 divisors, whose sum is σ = 147320214. Its totient is φ = 147320212.

The previous prime is 147320197. The next prime is 147320263. The reversal of 147320213 is 312023741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89453764 + 57866449 = 9458^2 + 7607^2 .

It is a cyclic number.

It is not a de Polignac number, because 147320213 - 2⁴ = 147320197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147320263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73660106 + 73660107.

It is an arithmetic number, because the mean of its divisors is an integer number (73660107).

Almost surely, 2^147320213 is an apocalyptic number.

It is an amenable number.

147320213 is a deficient number, since it is larger than the sum of its proper divisors (1).

147320213 is an equidigital number, since it uses as much as digits as its factorization.

147320213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 147320213 is about 12137.5538309826. The cubic root of 147320213 is about 528.1461432101.

Adding to 147320213 its reverse (312023741), we get a palindrome (459343954).

The spelling of 147320213 in words is "one hundred forty-seven million, three hundred twenty thousand, two hundred thirteen".