5431291 has 2 divisors, whose sum is σ = 5431292. Its totient is φ = 5431290.

The previous prime is 5431277. The next prime is 5431297. The reversal of 5431291 is 1921345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5431291 - 2¹¹ = 5429243 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5431297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2715645 + 2715646.

It is an arithmetic number, because the mean of its divisors is an integer number (2715646).

Almost surely, 2^5431291 is an apocalyptic number.

5431291 is a deficient number, since it is larger than the sum of its proper divisors (1).

5431291 is an equidigital number, since it uses as much as digits as its factorization.

5431291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 5431291 is about 2330.5130336473. The cubic root of 5431291 is about 175.7792838424.

The spelling of 5431291 in words is "five million, four hundred thirty-one thousand, two hundred ninety-one".