70471013 has 2 divisors, whose sum is σ = 70471014. Its totient is φ = 70471012.

The previous prime is 70470997. The next prime is 70471097. The reversal of 70471013 is 31017407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56580484 + 13890529 = 7522^2 + 3727^2 .

It is an emirp because it is prime and its reverse (31017407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70471013 - 2⁴ = 70470997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70471013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70477013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35235506 + 35235507.

It is an arithmetic number, because the mean of its divisors is an integer number (35235507).

Almost surely, 2^70471013 is an apocalyptic number.

It is an amenable number.

70471013 is a deficient number, since it is larger than the sum of its proper divisors (1).

70471013 is an equidigital number, since it uses as much as digits as its factorization.

70471013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 70471013 is about 8394.7014836741. The cubic root of 70471013 is about 413.0508353374.

It can be divided in two parts, 704 and 71013, that added together give a palindrome (71717).

The spelling of 70471013 in words is "seventy million, four hundred seventy-one thousand, thirteen".