6255994 has 4 divisors (see below), whose sum is σ = 9383994. Its totient is φ = 3127996.

The previous prime is 6255989. The next prime is 6256013. The reversal of 6255994 is 4995526.

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., 5784025 + 471969 = 2405^2 + 687^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563997 + ... + 1564000.

Almost surely, 2^6255994 is an apocalyptic number.

6255994 is a deficient number, since it is larger than the sum of its proper divisors (3128000).

6255994 is a wasteful number, since it uses less digits than its factorization.

6255994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127999.

The product of its digits is 97200, while the sum is 40.

The square root of 6255994 is about 2501.1985127135. The cubic root of 6255994 is about 184.2604416770.

The spelling of 6255994 in words is "six million, two hundred fifty-five thousand, nine hundred ninety-four".