893406013 has 2 divisors, whose sum is σ = 893406014. Its totient is φ = 893406012.

The previous prime is 893405977. The next prime is 893406029. The reversal of 893406013 is 310604398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 892635129 + 770884 = 29877^2 + 878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-893406013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 893406013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (893406053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446703006 + 446703007.

It is an arithmetic number, because the mean of its divisors is an integer number (446703007).

Almost surely, 2^893406013 is an apocalyptic number.

It is an amenable number.

893406013 is a deficient number, since it is larger than the sum of its proper divisors (1).

893406013 is an equidigital number, since it uses as much as digits as its factorization.

893406013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 893406013 is about 29889.8981764743. The cubic root of 893406013 is about 963.1256674794.

The spelling of 893406013 in words is "eight hundred ninety-three million, four hundred six thousand, thirteen".