60421013 has 2 divisors, whose sum is σ = 60421014. Its totient is φ = 60421012.

The previous prime is 60421001. The next prime is 60421019. The reversal of 60421013 is 31012406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43586404 + 16834609 = 6602^2 + 4103^2 .

It is a cyclic number.

It is not a de Polignac number, because 60421013 - 2²⁰ = 59372437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 60420982 and 60421000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60421019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30210506 + 30210507.

It is an arithmetic number, because the mean of its divisors is an integer number (30210507).

Almost surely, 2^60421013 is an apocalyptic number.

It is an amenable number.

60421013 is a deficient number, since it is larger than the sum of its proper divisors (1).

60421013 is an equidigital number, since it uses as much as digits as its factorization.

60421013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 60421013 is about 7773.0954580527. The cubic root of 60421013 is about 392.4003030219.

Adding to 60421013 its reverse (31012406), we get a palindrome (91433419).

The spelling of 60421013 in words is "sixty million, four hundred twenty-one thousand, thirteen".