4958181 has 6 divisors (see below), whose sum is σ = 7161830. Its totient is φ = 3305448.

The previous prime is 4958131. The next prime is 4958189. The reversal of 4958181 is 1818594.

It can be written as a sum of positive squares in only one way, i.e., 3481956 + 1476225 = 1866^2 + 1215^2 .

It is not a de Polignac number, because 4958181 - 2¹⁹ = 4433893 is a prime.

It is a super-2 number, since 2×4958181² = 49167117657522, which contains 22 as substring.

It is a Duffinian number.

4958181 is a modest number, since divided by 8181 gives 495 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4958189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275446 + ... + 275463.

Almost surely, 2^4958181 is an apocalyptic number.

It is an amenable number.

4958181 is a deficient number, since it is larger than the sum of its proper divisors (2203649).

4958181 is a wasteful number, since it uses less digits than its factorization.

4958181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550915 (or 550912 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 4958181 is about 2226.6973301282. The cubic root of 4958181 is about 170.5195294721.

The spelling of 4958181 in words is "four million, nine hundred fifty-eight thousand, one hundred eighty-one".