5491431 has 12 divisors (see below), whose sum is σ = 8653320. Its totient is φ = 3328080.

The previous prime is 5491393. The next prime is 5491439. The reversal of 5491431 is 1341945.

It is not a de Polignac number, because 5491431 - 2⁷ = 5491303 is a prime.

It is a super-2 number, since 2×5491431² = 60311628855522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5491395 and 5491404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27636 + ... + 27833.

It is an arithmetic number, because the mean of its divisors is an integer number (721110).

Almost surely, 2^5491431 is an apocalyptic number.

5491431 is a deficient number, since it is larger than the sum of its proper divisors (3161889).

5491431 is a wasteful number, since it uses less digits than its factorization.

5491431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55486 (or 55483 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 5491431 is about 2343.3802508343. The cubic root of 5491431 is about 176.4256977386.

It can be divided in two parts, 54914 and 31, that added together give a palindrome (54945).

The spelling of 5491431 in words is "five million, four hundred ninety-one thousand, four hundred thirty-one".