853493 has 2 divisors, whose sum is σ = 853494. Its totient is φ = 853492.

The previous prime is 853481. The next prime is 853529. The reversal of 853493 is 394358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806404 + 47089 = 898^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 853493 - 2⁴ = 853477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853403) 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, 426746 + 426747.

It is an arithmetic number, because the mean of its divisors is an integer number (426747).

2⁸⁵³⁴⁹³ is an apocalyptic number.

It is an amenable number.

853493 is a deficient number, since it is larger than the sum of its proper divisors (1).

853493 is an equidigital number, since it uses as much as digits as its factorization.

853493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 853493 is about 923.8468487796. The cubic root of 853493 is about 94.8564035560.

The spelling of 853493 in words is "eight hundred fifty-three thousand, four hundred ninety-three".