671459 has 4 divisors (see below), whose sum is σ = 673104. Its totient is φ = 669816.

The previous prime is 671443. The next prime is 671467. The reversal of 671459 is 954176.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 671459 - 2⁴ = 671443 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 671459.

It is not an unprimeable number, because it can be changed into a prime (671059) 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, 314 + ... + 1200.

It is an arithmetic number, because the mean of its divisors is an integer number (168276).

2⁶⁷¹⁴⁵⁹ is an apocalyptic number.

671459 is a deficient number, since it is larger than the sum of its proper divisors (1645).

671459 is an equidigital number, since it uses as much as digits as its factorization.

671459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644.

The product of its digits is 7560, while the sum is 32.

The square root of 671459 is about 819.4260186252. The cubic root of 671459 is about 87.5668713300.

The spelling of 671459 in words is "six hundred seventy-one thousand, four hundred fifty-nine".