6425449 has 4 divisors (see below), whose sum is σ = 6487936. Its totient is φ = 6362964.

The previous prime is 6425423. The next prime is 6425467. The reversal of 6425449 is 9445246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6425449 - 2⁹ = 6424937 is a prime.

It is a Duffinian number.

6425449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6423449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31089 + ... + 31294.

It is an arithmetic number, because the mean of its divisors is an integer number (1621984).

Almost surely, 2^6425449 is an apocalyptic number.

It is an amenable number.

6425449 is a deficient number, since it is larger than the sum of its proper divisors (62487).

6425449 is a wasteful number, since it uses less digits than its factorization.

6425449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62486.

The product of its digits is 34560, while the sum is 34.

The square root of 6425449 is about 2534.8469381799. The cubic root of 6425449 is about 185.9093191149.

The spelling of 6425449 in words is "six million, four hundred twenty-five thousand, four hundred forty-nine".