610020013 has 2 divisors, whose sum is σ = 610020014. Its totient is φ = 610020012.

The previous prime is 610020011. The next prime is 610020029. The reversal of 610020013 is 310020016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456805129 + 153214884 = 21373^2 + 12378^2 .

It is a cyclic number.

It is not a de Polignac number, because 610020013 - 2¹ = 610020011 is a prime.

Together with 610020011, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 610019975 and 610020002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610020011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305010006 + 305010007.

It is an arithmetic number, because the mean of its divisors is an integer number (305010007).

Almost surely, 2^610020013 is an apocalyptic number.

It is an amenable number.

610020013 is a deficient number, since it is larger than the sum of its proper divisors (1).

610020013 is an equidigital number, since it uses as much as digits as its factorization.

610020013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 610020013 is about 24698.5832184763. The cubic root of 610020013 is about 848.1018835438.

Adding to 610020013 its reverse (310020016), we get a palindrome (920040029).

The spelling of 610020013 in words is "six hundred ten million, twenty thousand, thirteen".