5401111 has 4 divisors (see below), whose sum is σ = 5685400. Its totient is φ = 5116824.

The previous prime is 5401093. The next prime is 5401117. The reversal of 5401111 is 1111045.

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 5401111 - 2⁵ = 5401079 is a prime.

It is a Duffinian number.

5401111 is a modest number, since divided by 1111 gives 540 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 5401091 and 5401100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142116 + ... + 142153.

It is an arithmetic number, because the mean of its divisors is an integer number (1421350).

Almost surely, 2^5401111 is an apocalyptic number.

5401111 is a deficient number, since it is larger than the sum of its proper divisors (284289).

5401111 is a wasteful number, since it uses less digits than its factorization.

5401111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284288.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 5401111 is about 2324.0290445689. The cubic root of 5401111 is about 175.4530952592.

Adding to 5401111 its reverse (1111045), we get a palindrome (6512156).

The spelling of 5401111 in words is "five million, four hundred one thousand, one hundred eleven".