853457 has 4 divisors (see below), whose sum is σ = 931056. Its totient is φ = 775860.

The previous prime is 853439. The next prime is 853477. The reversal of 853457 is 754358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 853457 - 2¹⁴ = 837073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38783 + ... + 38804.

It is an arithmetic number, because the mean of its divisors is an integer number (232764).

2⁸⁵³⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

853457 is a deficient number, since it is larger than the sum of its proper divisors (77599).

853457 is a wasteful number, since it uses less digits than its factorization.

853457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77598.

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

The square root of 853457 is about 923.8273648253. The cubic root of 853457 is about 94.8550698686.

Subtracting from 853457 its reverse (754358), we obtain a palindrome (99099).

The spelling of 853457 in words is "eight hundred fifty-three thousand, four hundred fifty-seven".