5405231 has 4 divisors (see below), whose sum is σ = 5821032. Its totient is φ = 4989432.

The previous prime is 5405221. The next prime is 5405233. The reversal of 5405231 is 1325045.

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 5405231 - 2¹⁸ = 5143087 is a prime.

It is a super-2 number, since 2×5405231² = 58433044326722, 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 (5405233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207881 + ... + 207906.

It is an arithmetic number, because the mean of its divisors is an integer number (1455258).

Almost surely, 2^5405231 is an apocalyptic number.

5405231 is a deficient number, since it is larger than the sum of its proper divisors (415801).

5405231 is a wasteful number, since it uses less digits than its factorization.

5405231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415800.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5405231 is about 2324.9152672732. The cubic root of 5405231 is about 175.4976961465.

The spelling of 5405231 in words is "five million, four hundred five thousand, two hundred thirty-one".