673256471 has 2 divisors, whose sum is σ = 673256472. Its totient is φ = 673256470.

The previous prime is 673256459. The next prime is 673256539. The reversal of 673256471 is 174652376.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673256471 is a prime.

It is a super-3 number, since 3×673256471³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673256071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336628235 + 336628236.

It is an arithmetic number, because the mean of its divisors is an integer number (336628236).

Almost surely, 2^673256471 is an apocalyptic number.

673256471 is a deficient number, since it is larger than the sum of its proper divisors (1).

673256471 is an equidigital number, since it uses as much as digits as its factorization.

673256471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 41.

The square root of 673256471 is about 25947.1861865598. The cubic root of 673256471 is about 876.4493947208.

The spelling of 673256471 in words is "six hundred seventy-three million, two hundred fifty-six thousand, four hundred seventy-one".