67020013 has 2 divisors, whose sum is σ = 67020014. Its totient is φ = 67020012.

The previous prime is 67019963. The next prime is 67020017. The reversal of 67020013 is 31002076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63968004 + 3052009 = 7998^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 67020013 - 2¹³ = 67011821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67020017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33510006 + 33510007.

It is an arithmetic number, because the mean of its divisors is an integer number (33510007).

Almost surely, 2^67020013 is an apocalyptic number.

It is an amenable number.

67020013 is a deficient number, since it is larger than the sum of its proper divisors (1).

67020013 is an equidigital number, since it uses as much as digits as its factorization.

67020013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 67020013 is about 8186.5751691412. The cubic root of 67020013 is about 406.1952457014.

Adding to 67020013 its reverse (31002076), we get a palindrome (98022089).

The spelling of 67020013 in words is "sixty-seven million, twenty thousand, thirteen".