5431997 has 4 divisors (see below), whose sum is σ = 5508576. Its totient is φ = 5355420.

The previous prime is 5431973. The next prime is 5432017. The reversal of 5431997 is 7991345.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5431997 - 2¹⁶ = 5366461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5431997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431957) 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, 38183 + ... + 38324.

It is an arithmetic number, because the mean of its divisors is an integer number (1377144).

Almost surely, 2^5431997 is an apocalyptic number.

It is an amenable number.

5431997 is a deficient number, since it is larger than the sum of its proper divisors (76579).

5431997 is an equidigital number, since it uses as much as digits as its factorization.

5431997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76578.

The product of its digits is 34020, while the sum is 38.

The square root of 5431997 is about 2330.6644975200. The cubic root of 5431997 is about 175.7868998829.

The spelling of 5431997 in words is "five million, four hundred thirty-one thousand, nine hundred ninety-seven".