5628431 has 2 divisors, whose sum is σ = 5628432. Its totient is φ = 5628430.

The previous prime is 5628421. The next prime is 5628437. The reversal of 5628431 is 1348265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5628431 - 2⁶ = 5628367 is a prime.

It is a super-2 number, since 2×5628431² = 63358471043522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5628394 and 5628403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5628437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2814215 + 2814216.

It is an arithmetic number, because the mean of its divisors is an integer number (2814216).

Almost surely, 2^5628431 is an apocalyptic number.

5628431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5628431 is an equidigital number, since it uses as much as digits as its factorization.

5628431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 5628431 is about 2372.4314531720. The cubic root of 5628431 is about 177.8808169890.

The spelling of 5628431 in words is "five million, six hundred twenty-eight thousand, four hundred thirty-one".