857453 has 2 divisors, whose sum is σ = 857454. Its totient is φ = 857452.

The previous prime is 857431. The next prime is 857459. The reversal of 857453 is 354758.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499849 + 357604 = 707^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 857453 - 2¹² = 853357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (857459) 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, 428726 + 428727.

It is an arithmetic number, because the mean of its divisors is an integer number (428727).

2⁸⁵⁷⁴⁵³ is an apocalyptic number.

It is an amenable number.

857453 is a deficient number, since it is larger than the sum of its proper divisors (1).

857453 is an equidigital number, since it uses as much as digits as its factorization.

857453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 32.

The square root of 857453 is about 925.9875809102. The cubic root of 857453 is about 95.0028807991.

The spelling of 857453 in words is "eight hundred fifty-seven thousand, four hundred fifty-three".