6451001 has 8 divisors (see below), whose sum is σ = 6687360. Its totient is φ = 6218992.

The previous prime is 6450953. The next prime is 6451019. The reversal of 6451001 is 1001546.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6451001 - 2²² = 2256697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6451031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2096 + ... + 4158.

It is an arithmetic number, because the mean of its divisors is an integer number (835920).

Almost surely, 2^6451001 is an apocalyptic number.

It is an amenable number.

6451001 is a deficient number, since it is larger than the sum of its proper divisors (236359).

6451001 is a wasteful number, since it uses less digits than its factorization.

6451001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 6451001 is about 2539.8820838771. The cubic root of 6451001 is about 186.1554275661.

Adding to 6451001 its reverse (1001546), we get a palindrome (7452547).

The spelling of 6451001 in words is "six million, four hundred fifty-one thousand, one".