5401831 has 4 divisors (see below), whose sum is σ = 5407272. Its totient is φ = 5396392.

The previous prime is 5401829. The next prime is 5401841. The reversal of 5401831 is 1381045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1381045 = 5 ⋅276209.

It is a cyclic number.

It is not a de Polignac number, because 5401831 - 2¹ = 5401829 is a prime.

It is a super-2 number, since 2×5401831² = 58359556305122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401841) 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, 760 + ... + 3373.

It is an arithmetic number, because the mean of its divisors is an integer number (1351818).

Almost surely, 2^5401831 is an apocalyptic number.

5401831 is a deficient number, since it is larger than the sum of its proper divisors (5441).

5401831 is a wasteful number, since it uses less digits than its factorization.

5401831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 5401831 is about 2324.1839428066. The cubic root of 5401831 is about 175.4608912242.

Adding to 5401831 its reverse (1381045), we get a palindrome (6782876).

The spelling of 5401831 in words is "five million, four hundred one thousand, eight hundred thirty-one".