6550351 has 4 divisors (see below), whose sum is σ = 6555472. Its totient is φ = 6545232.

The previous prime is 6550337. The next prime is 6550361. The reversal of 6550351 is 1530556.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6550351 - 2⁷ = 6550223 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 (6550361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195 + ... + 3811.

It is an arithmetic number, because the mean of its divisors is an integer number (1638868).

Almost surely, 2^6550351 is an apocalyptic number.

6550351 is a deficient number, since it is larger than the sum of its proper divisors (5121).

6550351 is a wasteful number, since it uses less digits than its factorization.

6550351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 6550351 is about 2559.3653510197. The cubic root of 6550351 is about 187.1062052196.

The spelling of 6550351 in words is "six million, five hundred fifty thousand, three hundred fifty-one".