1671463 has 2 divisors, whose sum is σ = 1671464. Its totient is φ = 1671462.

The previous prime is 1671451. The next prime is 1671493. The reversal of 1671463 is 3641761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1671463 - 2⁵ = 1671431 is a prime.

1671463 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1671443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835731 + 835732.

It is an arithmetic number, because the mean of its divisors is an integer number (835732).

2^1671463 is an apocalyptic number.

1671463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671463 is an equidigital number, since it uses as much as digits as its factorization.

1671463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 1671463 is about 1292.8507261088. The cubic root of 1671463 is about 118.6767348623.

The spelling of 1671463 in words is "one million, six hundred seventy-one thousand, four hundred sixty-three".