4531397 has 6 divisors (see below), whose sum is σ = 4906962. Its totient is φ = 4182672.

The previous prime is 4531379. The next prime is 4531399. The reversal of 4531397 is 7931354.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 75076 + 4456321 = 274^2 + 2111^2 .

It is not a de Polignac number, because 4531397 - 2¹⁶ = 4465861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13238 + ... + 13575.

It is an arithmetic number, because the mean of its divisors is an integer number (817827).

Almost surely, 2^4531397 is an apocalyptic number.

It is an amenable number.

4531397 is a deficient number, since it is larger than the sum of its proper divisors (375565).

4531397 is a wasteful number, since it uses less digits than its factorization.

4531397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26839 (or 26826 counting only the distinct ones).

The product of its digits is 11340, while the sum is 32.

The square root of 4531397 is about 2128.7078240097. The cubic root of 4531397 is about 165.4794381224.

The spelling of 4531397 in words is "four million, five hundred thirty-one thousand, three hundred ninety-seven".