60820609 has 2 divisors, whose sum is σ = 60820610. Its totient is φ = 60820608.

The previous prime is 60820603. The next prime is 60820651. The reversal of 60820609 is 90602806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32433025 + 28387584 = 5695^2 + 5328^2 .

It is a cyclic number.

It is not a de Polignac number, because 60820609 - 2³ = 60820601 is a prime.

It is not a weakly prime, because it can be changed into another prime (60820601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30410304 + 30410305.

It is an arithmetic number, because the mean of its divisors is an integer number (30410305).

Almost surely, 2^60820609 is an apocalyptic number.

It is an amenable number.

60820609 is a deficient number, since it is larger than the sum of its proper divisors (1).

60820609 is an equidigital number, since it uses as much as digits as its factorization.

60820609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 60820609 is about 7798.7568881201. The cubic root of 60820609 is about 393.2634529851.

The spelling of 60820609 in words is "sixty million, eight hundred twenty thousand, six hundred nine".