56701013 has 2 divisors, whose sum is σ = 56701014. Its totient is φ = 56701012.

The previous prime is 56700979. The next prime is 56701033. The reversal of 56701013 is 31010765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40233649 + 16467364 = 6343^2 + 4058^2 .

It is a cyclic number.

It is not a de Polignac number, because 56701013 - 2⁸ = 56700757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56701013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56701033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28350506 + 28350507.

It is an arithmetic number, because the mean of its divisors is an integer number (28350507).

Almost surely, 2^56701013 is an apocalyptic number.

It is an amenable number.

56701013 is a deficient number, since it is larger than the sum of its proper divisors (1).

56701013 is an equidigital number, since it uses as much as digits as its factorization.

56701013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 56701013 is about 7530.0075033163. The cubic root of 56701013 is about 384.1760373604.

Adding to 56701013 its reverse (31010765), we get a palindrome (87711778).

The spelling of 56701013 in words is "fifty-six million, seven hundred one thousand, thirteen".