6266401 has 8 divisors (see below), whose sum is σ = 6388200. Its totient is φ = 6145920.

The previous prime is 6266363. The next prime is 6266413. The reversal of 6266401 is 1046626.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 390625 + 5875776 = 625^2 + 2424^2 .

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 6266401 - 2¹¹ = 6264353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6266441) 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, 15915 + ... + 16303.

It is an arithmetic number, because the mean of its divisors is an integer number (798525).

Almost surely, 2^6266401 is an apocalyptic number.

6266401 is the 1120-th centered decagonal number.

It is an amenable number.

6266401 is a deficient number, since it is larger than the sum of its proper divisors (121799).

6266401 is a wasteful number, since it uses less digits than its factorization.

6266401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6266401 is about 2503.2780508765. The cubic root of 6266401 is about 184.3625589997.

The spelling of 6266401 in words is "six million, two hundred sixty-six thousand, four hundred one".