60863993 has 2 divisors, whose sum is σ = 60863994. Its totient is φ = 60863992.

The previous prime is 60863977. The next prime is 60864007. The reversal of 60863993 is 39936806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51079609 + 9784384 = 7147^2 + 3128^2 .

It is a cyclic number.

It is not a de Polignac number, because 60863993 - 2⁴ = 60863977 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 (60863903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30431996 + 30431997.

It is an arithmetic number, because the mean of its divisors is an integer number (30431997).

Almost surely, 2^60863993 is an apocalyptic number.

It is an amenable number.

60863993 is a deficient number, since it is larger than the sum of its proper divisors (1).

60863993 is an equidigital number, since it uses as much as digits as its factorization.

60863993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 60863993 is about 7801.5378612169. The cubic root of 60863993 is about 393.3569371229.

The spelling of 60863993 in words is "sixty million, eight hundred sixty-three thousand, nine hundred ninety-three".