713006221 has 2 divisors, whose sum is σ = 713006222. Its totient is φ = 713006220.

The previous prime is 713006219. The next prime is 713006303. The reversal of 713006221 is 122600317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427869225 + 285136996 = 20685^2 + 16886^2 .

It is a cyclic number.

It is not a de Polignac number, because 713006221 - 2¹ = 713006219 is a prime.

Together with 713006219, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 713006192 and 713006201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (713006201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356503110 + 356503111.

It is an arithmetic number, because the mean of its divisors is an integer number (356503111).

Almost surely, 2^713006221 is an apocalyptic number.

It is an amenable number.

713006221 is a deficient number, since it is larger than the sum of its proper divisors (1).

713006221 is an equidigital number, since it uses as much as digits as its factorization.

713006221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 713006221 is about 26702.1763345237. The cubic root of 713006221 is about 893.3694690805.

Adding to 713006221 its reverse (122600317), we get a palindrome (835606538).

The spelling of 713006221 in words is "seven hundred thirteen million, six thousand, two hundred twenty-one".