5401189 has 4 divisors (see below), whose sum is σ = 5718924. Its totient is φ = 5083456.

The previous prime is 5401171. The next prime is 5401211. The reversal of 5401189 is 9811045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9811045 = 5 ⋅1962209.

It can be written as a sum of positive squares in 2 ways, for example, as 1520289 + 3880900 = 1233^2 + 1970^2 .

It is a cyclic number.

It is not a de Polignac number, because 5401189 - 2⁵ = 5401157 is a prime.

It is a super-2 number, since 2×5401189² = 58345685227442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401169) 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, 158842 + ... + 158875.

It is an arithmetic number, because the mean of its divisors is an integer number (1429731).

Almost surely, 2^5401189 is an apocalyptic number.

It is an amenable number.

5401189 is a deficient number, since it is larger than the sum of its proper divisors (317735).

5401189 is a wasteful number, since it uses less digits than its factorization.

5401189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317734.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 5401189 is about 2324.0458257100. The cubic root of 5401189 is about 175.4539398556.

The spelling of 5401189 in words is "five million, four hundred one thousand, one hundred eighty-nine".