634741 has 2 divisors, whose sum is σ = 634742. Its totient is φ = 634740.

The previous prime is 634727. The next prime is 634747. The reversal of 634741 is 147436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427716 + 207025 = 654^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 634741 - 2⁵ = 634709 is a prime.

It is a super-2 number, since 2×634741² = 805792274162, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317370 + 317371.

It is an arithmetic number, because the mean of its divisors is an integer number (317371).

2⁶³⁴⁷⁴¹ is an apocalyptic number.

It is an amenable number.

634741 is a deficient number, since it is larger than the sum of its proper divisors (1).

634741 is an equidigital number, since it uses as much as digits as its factorization.

634741 is an odious number, because the sum of its binary digits is odd.

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

The square root of 634741 is about 796.7063448975. The cubic root of 634741 is about 85.9406928401.

The spelling of 634741 in words is "six hundred thirty-four thousand, seven hundred forty-one".