6412551 has 4 divisors (see below), whose sum is σ = 8550072. Its totient is φ = 4275032.

The previous prime is 6412543. The next prime is 6412589. The reversal of 6412551 is 1552146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6412551 - 2³ = 6412543 is a prime.

It is a super-2 number, since 2×6412551² = 82241620655202, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412531) 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, 1068756 + ... + 1068761.

It is an arithmetic number, because the mean of its divisors is an integer number (2137518).

Almost surely, 2^6412551 is an apocalyptic number.

6412551 is a deficient number, since it is larger than the sum of its proper divisors (2137521).

6412551 is a wasteful number, since it uses less digits than its factorization.

6412551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137520.

The product of its digits is 1200, while the sum is 24.

The square root of 6412551 is about 2532.3015223310. The cubic root of 6412551 is about 185.7848419709.

Adding to 6412551 its reverse (1552146), we get a palindrome (7964697).

The spelling of 6412551 in words is "six million, four hundred twelve thousand, five hundred fifty-one".