6429025 has 6 divisors (see below), whose sum is σ = 7972022. Its totient is φ = 5143200.

The previous prime is 6429019. The next prime is 6429047. The reversal of 6429025 is 5209246.

6429025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 123904 + 6305121 = 352^2 + 2511^2 .

It is not a de Polignac number, because 6429025 - 2¹³ = 6420833 is a prime.

It is a Duffinian number.

6429025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6428984 and 6429002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128556 + ... + 128605.

Almost surely, 2^6429025 is an apocalyptic number.

It is an amenable number.

6429025 is a deficient number, since it is larger than the sum of its proper divisors (1542997).

6429025 is a wasteful number, since it uses less digits than its factorization.

6429025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257171 (or 257166 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6429025 is about 2535.5522080998. The cubic root of 6429025 is about 185.9438011894.

The spelling of 6429025 in words is "six million, four hundred twenty-nine thousand, twenty-five".