60445709 has 2 divisors, whose sum is σ = 60445710. Its totient is φ = 60445708.

The previous prime is 60445673. The next prime is 60445717. The reversal of 60445709 is 90754406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31393609 + 29052100 = 5603^2 + 5390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60445709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60445739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30222854 + 30222855.

It is an arithmetic number, because the mean of its divisors is an integer number (30222855).

Almost surely, 2^60445709 is an apocalyptic number.

It is an amenable number.

60445709 is a deficient number, since it is larger than the sum of its proper divisors (1).

60445709 is an equidigital number, since it uses as much as digits as its factorization.

60445709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 60445709 is about 7774.6838520933. The cubic root of 60445709 is about 392.4537579233.

The spelling of 60445709 in words is "sixty million, four hundred forty-five thousand, seven hundred nine".