4679581 has 2 divisors, whose sum is σ = 4679582. Its totient is φ = 4679580.

The previous prime is 4679579. The next prime is 4679621. The reversal of 4679581 is 1859764.

It is an a-pointer prime, because the next prime (4679621) can be obtained adding 4679581 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 2277081 = 1550^2 + 1509^2 .

It is a cyclic number.

It is not a de Polignac number, because 4679581 - 2¹ = 4679579 is a prime.

It is a super-2 number, since 2×4679581² = 43796956671122, which contains 22 as substring.

Together with 4679579, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4679551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2339790 + 2339791.

It is an arithmetic number, because the mean of its divisors is an integer number (2339791).

Almost surely, 2^4679581 is an apocalyptic number.

It is an amenable number.

4679581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4679581 is an equidigital number, since it uses as much as digits as its factorization.

4679581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 4679581 is about 2163.2339217015. The cubic root of 4679581 is about 167.2639401407.

The spelling of 4679581 in words is "four million, six hundred seventy-nine thousand, five hundred eighty-one".