6425459 has 4 divisors (see below), whose sum is σ = 6432816. Its totient is φ = 6418104.

The previous prime is 6425423. The next prime is 6425467. The reversal of 6425459 is 9545246.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9545246 = 2 ⋅4772623.

It is a cyclic number.

It is not a de Polignac number, because 6425459 - 2²⁰ = 5376883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6425359) 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 in 3 ways as a sum of consecutive naturals, for example, 2159 + ... + 4184.

It is an arithmetic number, because the mean of its divisors is an integer number (1608204).

Almost surely, 2^6425459 is an apocalyptic number.

6425459 is a deficient number, since it is larger than the sum of its proper divisors (7357).

6425459 is a wasteful number, since it uses less digits than its factorization.

6425459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356.

The product of its digits is 43200, while the sum is 35.

The square root of 6425459 is about 2534.8489106848. The cubic root of 6425459 is about 185.9094155591.

The spelling of 6425459 in words is "six million, four hundred twenty-five thousand, four hundred fifty-nine".