6429557 has 2 divisors, whose sum is σ = 6429558. Its totient is φ = 6429556.

The previous prime is 6429551. The next prime is 6429571. The reversal of 6429557 is 7559246.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3363556 + 3066001 = 1834^2 + 1751^2 .

It is a cyclic number.

It is not a de Polignac number, because 6429557 - 2⁴ = 6429541 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6429557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6429551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214778 + 3214779.

It is an arithmetic number, because the mean of its divisors is an integer number (3214779).

Almost surely, 2^6429557 is an apocalyptic number.

It is an amenable number.

6429557 is a deficient number, since it is larger than the sum of its proper divisors (1).

6429557 is an equidigital number, since it uses as much as digits as its factorization.

6429557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 6429557 is about 2535.6571140436. The cubic root of 6429557 is about 185.9489299802.

The spelling of 6429557 in words is "six million, four hundred twenty-nine thousand, five hundred fifty-seven".