60860509 has 2 divisors, whose sum is σ = 60860510. Its totient is φ = 60860508.

The previous prime is 60860489. The next prime is 60860521. The reversal of 60860509 is 90506806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48958009 + 11902500 = 6997^2 + 3450^2 .

It is a cyclic number.

It is not a de Polignac number, because 60860509 - 2⁷ = 60860381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60860539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30430254 + 30430255.

It is an arithmetic number, because the mean of its divisors is an integer number (30430255).

Almost surely, 2^60860509 is an apocalyptic number.

It is an amenable number.

60860509 is a deficient number, since it is larger than the sum of its proper divisors (1).

60860509 is an equidigital number, since it uses as much as digits as its factorization.

60860509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 60860509 is about 7801.3145687121. The cubic root of 60860509 is about 393.3494314169.

The spelling of 60860509 in words is "sixty million, eight hundred sixty thousand, five hundred nine".