478741 has 2 divisors, whose sum is σ = 478742. Its totient is φ = 478740.

The previous prime is 478739. The next prime is 478747. The reversal of 478741 is 147874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298116 + 180625 = 546^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 478741 - 2¹ = 478739 is a prime.

Together with 478739, it forms a pair of twin primes.

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

478741 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239370 + 239371.

It is an arithmetic number, because the mean of its divisors is an integer number (239371).

2⁴⁷⁸⁷⁴¹ is an apocalyptic number.

It is an amenable number.

478741 is a deficient number, since it is larger than the sum of its proper divisors (1).

478741 is an equidigital number, since it uses as much as digits as its factorization.

478741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 31.

The square root of 478741 is about 691.9111214600. The cubic root of 478741 is about 78.2288370742.

The spelling of 478741 in words is "four hundred seventy-eight thousand, seven hundred forty-one".