5400731 has 12 divisors (see below), whose sum is σ = 6614280. Its totient is φ = 4384800.

The previous prime is 5400721. The next prime is 5400739. The reversal of 5400731 is 1370045.

It is a happy number.

It is not a de Polignac number, because 5400731 - 2¹⁰ = 5399707 is a prime.

It is a super-2 number, since 2×5400731² = 58335790668722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5400739) 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 11 ways as a sum of consecutive naturals, for example, 1970 + ... + 3831.

It is an arithmetic number, because the mean of its divisors is an integer number (551190).

Almost surely, 2^5400731 is an apocalyptic number.

5400731 is a deficient number, since it is larger than the sum of its proper divisors (1213549).

5400731 is a wasteful number, since it uses less digits than its factorization.

5400731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834 (or 5827 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 5400731 is about 2323.9472885588. The cubic root of 5400731 is about 175.4489804429.

Adding to 5400731 its reverse (1370045), we get a palindrome (6770776).

The spelling of 5400731 in words is "five million, four hundred thousand, seven hundred thirty-one".