853477 has 2 divisors, whose sum is σ = 853478. Its totient is φ = 853476.

The previous prime is 853439. The next prime is 853481. The reversal of 853477 is 774358.

853477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 538756 + 314721 = 734^2 + 561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426738 + 426739.

It is an arithmetic number, because the mean of its divisors is an integer number (426739).

2⁸⁵³⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

853477 is a deficient number, since it is larger than the sum of its proper divisors (1).

853477 is an equidigital number, since it uses as much as digits as its factorization.

853477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 34.

The square root of 853477 is about 923.8381892951. The cubic root of 853477 is about 94.8558108107.

The spelling of 853477 in words is "eight hundred fifty-three thousand, four hundred seventy-seven".