634471 has 2 divisors, whose sum is σ = 634472. Its totient is φ = 634470.

The previous prime is 634441. The next prime is 634483. The reversal of 634471 is 174436.

634471 is nontrivially palindromic in base 7.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 634471 - 2⁷ = 634343 is a prime.

It is a super-3 number, since 3×634471³ = 766225469622207333, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317235 + 317236.

It is an arithmetic number, because the mean of its divisors is an integer number (317236).

2⁶³⁴⁴⁷¹ is an apocalyptic number.

634471 is a deficient number, since it is larger than the sum of its proper divisors (1).

634471 is an equidigital number, since it uses as much as digits as its factorization.

634471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 634471 is about 796.5368792467. The cubic root of 634471 is about 85.9285055711.

The spelling of 634471 in words is "six hundred thirty-four thousand, four hundred seventy-one".