6468554 has 4 divisors (see below), whose sum is σ = 9702834. Its totient is φ = 3234276.

The previous prime is 6468541. The next prime is 6468559. The reversal of 6468554 is 4558646.

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., 4739329 + 1729225 = 2177^2 + 1315^2 .

It is not an unprimeable number, because it can be changed into a prime (6468559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617137 + ... + 1617140.

Almost surely, 2^6468554 is an apocalyptic number.

6468554 is a deficient number, since it is larger than the sum of its proper divisors (3234280).

6468554 is a wasteful number, since it uses less digits than its factorization.

6468554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234279.

The product of its digits is 115200, while the sum is 38.

The square root of 6468554 is about 2543.3352118822. The cubic root of 6468554 is about 186.3241159614.

The spelling of 6468554 in words is "six million, four hundred sixty-eight thousand, five hundred fifty-four".