5431523 has 2 divisors, whose sum is σ = 5431524. Its totient is φ = 5431522.

The previous prime is 5431507. The next prime is 5431529. The reversal of 5431523 is 3251345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5431523 - 2⁴ = 5431507 is a prime.

It is not a weakly prime, because it can be changed into another prime (5431529) 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 as a sum of consecutive naturals, namely, 2715761 + 2715762.

It is an arithmetic number, because the mean of its divisors is an integer number (2715762).

Almost surely, 2^5431523 is an apocalyptic number.

5431523 is a deficient number, since it is larger than the sum of its proper divisors (1).

5431523 is an equidigital number, since it uses as much as digits as its factorization.

5431523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 23.

The square root of 5431523 is about 2330.5628075639. The cubic root of 5431523 is about 175.7817866367.

Adding to 5431523 its reverse (3251345), we get a palindrome (8682868).

The spelling of 5431523 in words is "five million, four hundred thirty-one thousand, five hundred twenty-three".