6459401 has 4 divisors (see below), whose sum is σ = 6956292. Its totient is φ = 5962512.

The previous prime is 6459391. The next prime is 6459407. The reversal of 6459401 is 1049546.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3822025 + 2637376 = 1955^2 + 1624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6459401 is a prime.

It is a super-2 number, since 2×6459401² = 83447722557602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6459407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248426 + ... + 248451.

It is an arithmetic number, because the mean of its divisors is an integer number (1739073).

Almost surely, 2^6459401 is an apocalyptic number.

It is an amenable number.

6459401 is a deficient number, since it is larger than the sum of its proper divisors (496891).

6459401 is a wasteful number, since it uses less digits than its factorization.

6459401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496890.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6459401 is about 2541.5351659971. The cubic root of 6459401 is about 186.2361916403.

The spelling of 6459401 in words is "six million, four hundred fifty-nine thousand, four hundred one".