60625709 has 2 divisors, whose sum is σ = 60625710. Its totient is φ = 60625708.

The previous prime is 60625699. The next prime is 60625711. The reversal of 60625709 is 90752606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43428100 + 17197609 = 6590^2 + 4147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60625709 is a prime.

It is a Sophie Germain prime.

Together with 60625711, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60625729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30312854 + 30312855.

It is an arithmetic number, because the mean of its divisors is an integer number (30312855).

Almost surely, 2^60625709 is an apocalyptic number.

It is an amenable number.

60625709 is a deficient number, since it is larger than the sum of its proper divisors (1).

60625709 is an equidigital number, since it uses as much as digits as its factorization.

60625709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 60625709 is about 7786.2512803017. The cubic root of 60625709 is about 392.8429317929.

The spelling of 60625709 in words is "sixty million, six hundred twenty-five thousand, seven hundred nine".