6426259 has 8 divisors (see below), whose sum is σ = 7399008. Its totient is φ = 5467200.

The previous prime is 6426257. The next prime is 6426311. The reversal of 6426259 is 9526246.

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 6426259 - 2¹ = 6426257 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6426257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392 + ... + 4309.

It is an arithmetic number, because the mean of its divisors is an integer number (924876).

Almost surely, 2^6426259 is an apocalyptic number.

6426259 is a deficient number, since it is larger than the sum of its proper divisors (972749).

6426259 is a wasteful number, since it uses less digits than its factorization.

6426259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845.

The product of its digits is 25920, while the sum is 34.

The square root of 6426259 is about 2535.0067061055. The cubic root of 6426259 is about 185.9171307724.

Subtracting from 6426259 its sum of digits (34), we obtain a square (6426225 = 2535²).

The spelling of 6426259 in words is "six million, four hundred twenty-six thousand, two hundred fifty-nine".