6426554 has 4 divisors (see below), whose sum is σ = 9639834. Its totient is φ = 3213276.

The previous prime is 6426523. The next prime is 6426557. The reversal of 6426554 is 4556246.

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

It can be written as a sum of positive squares in only one way, i.e., 5396329 + 1030225 = 2323^2 + 1015^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6426554.

It is not an unprimeable number, because it can be changed into a prime (6426557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606637 + ... + 1606640.

Almost surely, 2^6426554 is an apocalyptic number.

6426554 is a deficient number, since it is larger than the sum of its proper divisors (3213280).

6426554 is a wasteful number, since it uses less digits than its factorization.

6426554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213279.

The product of its digits is 28800, while the sum is 32.

The square root of 6426554 is about 2535.0648906882. The cubic root of 6426554 is about 185.9199755958.

The spelling of 6426554 in words is "six million, four hundred twenty-six thousand, five hundred fifty-four".