30826013 has 2 divisors, whose sum is σ = 30826014. Its totient is φ = 30826012.

The previous prime is 30826001. The next prime is 30826039. The reversal of 30826013 is 31062803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27857284 + 2968729 = 5278^2 + 1723^2 .

It is a cyclic number.

It is not a de Polignac number, because 30826013 - 2⁸ = 30825757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30826013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30826093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15413006 + 15413007.

It is an arithmetic number, because the mean of its divisors is an integer number (15413007).

Almost surely, 2^30826013 is an apocalyptic number.

It is an amenable number.

30826013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30826013 is an equidigital number, since it uses as much as digits as its factorization.

30826013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30826013 is about 5552.1178841952. The cubic root of 30826013 is about 313.5492640409.

Adding to 30826013 its reverse (31062803), we get a palindrome (61888816).

The spelling of 30826013 in words is "thirty million, eight hundred twenty-six thousand, thirteen".