107720513 has 2 divisors, whose sum is σ = 107720514. Its totient is φ = 107720512.

The previous prime is 107720453. The next prime is 107720573. The reversal of 107720513 is 315027701.

It is a balanced prime because it is at equal distance from previous prime (107720453) and next prime (107720573).

It can be written as a sum of positive squares in only one way, i.e., 107578384 + 142129 = 10372^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 107720513 - 2¹² = 107716417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (107720573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53860256 + 53860257.

It is an arithmetic number, because the mean of its divisors is an integer number (53860257).

Almost surely, 2^107720513 is an apocalyptic number.

It is an amenable number.

107720513 is a deficient number, since it is larger than the sum of its proper divisors (1).

107720513 is an equidigital number, since it uses as much as digits as its factorization.

107720513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 107720513 is about 10378.8493100151. The cubic root of 107720513 is about 475.8091663177.

The spelling of 107720513 in words is "one hundred seven million, seven hundred twenty thousand, five hundred thirteen".