671353 has 2 divisors, whose sum is σ = 671354. Its totient is φ = 671352.

The previous prime is 671339. The next prime is 671357. The reversal of 671353 is 353176.

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., 619369 + 51984 = 787^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 671353 - 2¹³ = 663161 is a prime.

It is not a weakly prime, because it can be changed into another prime (671357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335676 + 335677.

It is an arithmetic number, because the mean of its divisors is an integer number (335677).

2⁶⁷¹³⁵³ is an apocalyptic number.

It is an amenable number.

671353 is a deficient number, since it is larger than the sum of its proper divisors (1).

671353 is an equidigital number, since it uses as much as digits as its factorization.

671353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 25.

The square root of 671353 is about 819.3613366519. The cubic root of 671353 is about 87.5622631673.

It can be divided in two parts, 671 and 353, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 671353 in words is "six hundred seventy-one thousand, three hundred fifty-three".