5400931 has 4 divisors (see below), whose sum is σ = 5587200. Its totient is φ = 5214664.

The previous prime is 5400881. The next prime is 5400949. The reversal of 5400931 is 1390045.

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

It is not a de Polignac number, because 5400931 - 2⁹ = 5400419 is a prime.

It is a super-2 number, since 2×5400931² = 58340111333522, which contains 22 as substring.

It is a Duffinian number.

5400931 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5400961) 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, 93091 + ... + 93148.

It is an arithmetic number, because the mean of its divisors is an integer number (1396800).

Almost surely, 2^5400931 is an apocalyptic number.

5400931 is a deficient number, since it is larger than the sum of its proper divisors (186269).

5400931 is a wasteful number, since it uses less digits than its factorization.

5400931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186268.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 5400931 is about 2323.9903183964. The cubic root of 5400931 is about 175.4511461597.

Adding to 5400931 its reverse (1390045), we get a palindrome (6790976).

The spelling of 5400931 in words is "five million, four hundred thousand, nine hundred thirty-one".