70853 has 2 divisors, whose sum is σ = 70854. Its totient is φ = 70852.

The previous prime is 70849. The next prime is 70867. The reversal of 70853 is 35807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68644 + 2209 = 262^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 70853 - 2² = 70849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70853.

It is not a weakly prime, because it can be changed into another prime (70823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35426 + 35427.

It is an arithmetic number, because the mean of its divisors is an integer number (35427).

2⁷⁰⁸⁵³ is an apocalyptic number.

It is an amenable number.

70853 is a deficient number, since it is larger than the sum of its proper divisors (1).

70853 is an equidigital number, since it uses as much as digits as its factorization.

70853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 70853 is about 266.1822683801. The cubic root of 70853 is about 41.3795802744.

Adding to 70853 its sum of digits (23), we get a triangular number (70876 = T₃₇₆).

The spelling of 70853 in words is "seventy thousand, eight hundred fifty-three".