207315013 has 2 divisors, whose sum is σ = 207315014. Its totient is φ = 207315012.

The previous prime is 207314981. The next prime is 207315041. The reversal of 207315013 is 310513702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136469124 + 70845889 = 11682^2 + 8417^2 .

It is a cyclic number.

It is not a de Polignac number, because 207315013 - 2⁵ = 207314981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207312013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103657506 + 103657507.

It is an arithmetic number, because the mean of its divisors is an integer number (103657507).

Almost surely, 2^207315013 is an apocalyptic number.

It is an amenable number.

207315013 is a deficient number, since it is larger than the sum of its proper divisors (1).

207315013 is an equidigital number, since it uses as much as digits as its factorization.

207315013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 207315013 is about 14398.4378666576. The cubic root of 207315013 is about 591.8480909308.

Adding to 207315013 its reverse (310513702), we get a palindrome (517828715).

The spelling of 207315013 in words is "two hundred seven million, three hundred fifteen thousand, thirteen".