5571431 has 2 divisors, whose sum is σ = 5571432. Its totient is φ = 5571430.

The previous prime is 5571409. The next prime is 5571437. The reversal of 5571431 is 1341755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5571431 - 2¹⁴ = 5555047 is a prime.

It is a super-2 number, since 2×5571431² = 62081686775522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5571431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5571437) 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, 2785715 + 2785716.

It is an arithmetic number, because the mean of its divisors is an integer number (2785716).

Almost surely, 2^5571431 is an apocalyptic number.

5571431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5571431 is an equidigital number, since it uses as much as digits as its factorization.

5571431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 26.

The square root of 5571431 is about 2360.3878918517. The cubic root of 5571431 is about 177.2783028629.

The spelling of 5571431 in words is "five million, five hundred seventy-one thousand, four hundred thirty-one".