6424551 has 12 divisors (see below), whose sum is σ = 10605712. Its totient is φ = 3671136.

The previous prime is 6424547. The next prime is 6424553. The reversal of 6424551 is 1554246.

6424551 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6424551 - 2² = 6424547 is a prime.

It is an Ulam number.

It is a Duffinian number.

6424551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50926 + ... + 51051.

Almost surely, 2^6424551 is an apocalyptic number.

6424551 is a deficient number, since it is larger than the sum of its proper divisors (4181161).

6424551 is a wasteful number, since it uses less digits than its factorization.

6424551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101990 (or 101987 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 6424551 is about 2534.6698009800. The cubic root of 6424551 is about 185.9006580161.

Adding to 6424551 its reverse (1554246), we get a palindrome (7978797).

The spelling of 6424551 in words is "six million, four hundred twenty-four thousand, five hundred fifty-one".