5400431 has 4 divisors (see below), whose sum is σ = 5461200. Its totient is φ = 5339664.

The previous prime is 5400419. The next prime is 5400443. The reversal of 5400431 is 1340045.

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

It is an interprime number because it is at equal distance from previous prime (5400419) and next prime (5400443).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5400431 is a prime.

It is a super-2 number, since 2×5400431² = 58329309971522, 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 (5402431) 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, 30251 + ... + 30428.

It is an arithmetic number, because the mean of its divisors is an integer number (1365300).

Almost surely, 2^5400431 is an apocalyptic number.

5400431 is a deficient number, since it is larger than the sum of its proper divisors (60769).

5400431 is an equidigital number, since it uses as much as digits as its factorization.

5400431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60768.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5400431 is about 2323.8827423087. The cubic root of 5400431 is about 175.4457317673.

Adding to 5400431 its reverse (1340045), we get a palindrome (6740476).

The spelling of 5400431 in words is "five million, four hundred thousand, four hundred thirty-one".