79030213 has 2 divisors, whose sum is σ = 79030214. Its totient is φ = 79030212.

The previous prime is 79030201. The next prime is 79030241. The reversal of 79030213 is 31203097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77475204 + 1555009 = 8802^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 79030213 - 2⁵ = 79030181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79030243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39515106 + 39515107.

It is an arithmetic number, because the mean of its divisors is an integer number (39515107).

Almost surely, 2^79030213 is an apocalyptic number.

It is an amenable number.

79030213 is a deficient number, since it is larger than the sum of its proper divisors (1).

79030213 is an equidigital number, since it uses as much as digits as its factorization.

79030213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 79030213 is about 8889.8938688828. The cubic root of 79030213 is about 429.1387357992.

The spelling of 79030213 in words is "seventy-nine million, thirty thousand, two hundred thirteen".