4981111 has 4 divisors (see below), whose sum is σ = 5141824. Its totient is φ = 4820400.

The previous prime is 4981103. The next prime is 4981157. The reversal of 4981111 is 1111894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4981111 - 2³ = 4981103 is a prime.

It is a super-2 number, since 2×4981111² = 49622933588642, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

4981111 is a modest number, since divided by 1111 gives 498 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80310 + ... + 80371.

It is an arithmetic number, because the mean of its divisors is an integer number (1285456).

Almost surely, 2^4981111 is an apocalyptic number.

4981111 is a deficient number, since it is larger than the sum of its proper divisors (160713).

4981111 is a wasteful number, since it uses less digits than its factorization.

4981111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160712.

The product of its digits is 288, while the sum is 25.

The square root of 4981111 is about 2231.8402720625. The cubic root of 4981111 is about 170.7819913662.

The spelling of 4981111 in words is "four million, nine hundred eighty-one thousand, one hundred eleven".